Home / 2,715,101.10-4,072,651.65-1,031,985.90

Finding the Fourth Proportional to 2,715,101.10, 4,072,651.65 and 1,031,985.90

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Solution

The fourth proportional to 2,715,101.10, 4,072,651.65 and 1,031,985.90 is: 1,547,978.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,715,101.10 : 4,072,651.65 = 1,031,985.90 : x
  2. Step 2: Convert to fraction form
    2,715,101.10/4,072,651.65 = 1,031,985.90/x
  3. Step 3: Cross multiply
    2,715,101.10x = 4,072,651.65 × 1,031,985.90
  4. Step 4: Simplify right side
    2,715,101.10x = 4,202,919,078,411.74
  5. Step 5: Solve for x
    x = 4,202,919,078,411.74/2,715,101.10
  6. Step 6: Final answer
    x = 1,547,978.85

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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.