Home / 2,947,066.20-4,421,940.66-1,429,929.72

Finding the Fourth Proportional to 2,947,066.20, 4,421,940.66 and 1,429,929.72

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Solution

The fourth proportional to 2,947,066.20, 4,421,940.66 and 1,429,929.72 is: 2,145,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,066.20 : 4,421,940.66 = 1,429,929.72 : x
  2. Step 2: Convert to fraction form
    2,947,066.20/4,421,940.66 = 1,429,929.72/x
  3. Step 3: Cross multiply
    2,947,066.20x = 4,421,940.66 × 1,429,929.72
  4. Step 4: Simplify right side
    2,947,066.20x = 6,323,064,369,810.42
  5. Step 5: Solve for x
    x = 6,323,064,369,810.42/2,947,066.20
  6. Step 6: Final answer
    x = 2,145,545.41

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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.