Home / 4,921,000.70-7,381,501.05-2,759,807.30

Finding the Fourth Proportional to 4,921,000.70, 7,381,501.05 and 2,759,807.30

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Solution

The fourth proportional to 4,921,000.70, 7,381,501.05 and 2,759,807.30 is: 4,139,710.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921,000.70 : 7,381,501.05 = 2,759,807.30 : x
  2. Step 2: Convert to fraction form
    4,921,000.70/7,381,501.05 = 2,759,807.30/x
  3. Step 3: Cross multiply
    4,921,000.70x = 7,381,501.05 × 2,759,807.30
  4. Step 4: Simplify right side
    4,921,000.70x = 20,371,520,482,747.66
  5. Step 5: Solve for x
    x = 20,371,520,482,747.66/4,921,000.70
  6. Step 6: Final answer
    x = 4,139,710.95

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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.