Home / 3,736,688.72-5,156,646.18-2,105,115.66

Finding the Fourth Proportional to 3,736,688.72, 5,156,646.18 and 2,105,115.66

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Solution

The fourth proportional to 3,736,688.72, 5,156,646.18 and 2,105,115.66 is: 2,905,068.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,736,688.72 : 5,156,646.18 = 2,105,115.66 : x
  2. Step 2: Convert to fraction form
    3,736,688.72/5,156,646.18 = 2,105,115.66/x
  3. Step 3: Cross multiply
    3,736,688.72x = 5,156,646.18 × 2,105,115.66
  4. Step 4: Simplify right side
    3,736,688.72x = 10,855,336,626,597.18
  5. Step 5: Solve for x
    x = 10,855,336,626,597.18/3,736,688.72
  6. Step 6: Final answer
    x = 2,905,068.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.