Home / 4,886,611.90-7,329,917.85-3,186,000.70

Finding the Fourth Proportional to 4,886,611.90, 7,329,917.85 and 3,186,000.70

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Solution

The fourth proportional to 4,886,611.90, 7,329,917.85 and 3,186,000.70 is: 4,779,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886,611.90 : 7,329,917.85 = 3,186,000.70 : x
  2. Step 2: Convert to fraction form
    4,886,611.90/7,329,917.85 = 3,186,000.70/x
  3. Step 3: Cross multiply
    4,886,611.90x = 7,329,917.85 × 3,186,000.70
  4. Step 4: Simplify right side
    4,886,611.90x = 23,353,123,401,042.50
  5. Step 5: Solve for x
    x = 23,353,123,401,042.50/4,886,611.90
  6. Step 6: Final answer
    x = 4,779,001.05

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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.