Home / 5,185,000.85-7,777,501.28-4,102,581.65

Finding the Fourth Proportional to 5,185,000.85, 7,777,501.28 and 4,102,581.65

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Solution

The fourth proportional to 5,185,000.85, 7,777,501.28 and 4,102,581.65 is: 6,153,872.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,000.85 : 7,777,501.28 = 4,102,581.65 : x
  2. Step 2: Convert to fraction form
    5,185,000.85/7,777,501.28 = 4,102,581.65/x
  3. Step 3: Cross multiply
    5,185,000.85x = 7,777,501.28 × 4,102,581.65
  4. Step 4: Simplify right side
    5,185,000.85x = 31,907,834,013,666.61
  5. Step 5: Solve for x
    x = 31,907,834,013,666.61/5,185,000.85
  6. Step 6: Final answer
    x = 6,153,872.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.