Home / 2,947,489.71-4,421,234.56-817,573.83

Finding the Fourth Proportional to 2,947,489.71, 4,421,234.56 and 817,573.83

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Solution

The fourth proportional to 2,947,489.71, 4,421,234.56 and 817,573.83 is: 1,226,360.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,489.71 : 4,421,234.56 = 817,573.83 : x
  2. Step 2: Convert to fraction form
    2,947,489.71/4,421,234.56 = 817,573.83/x
  3. Step 3: Cross multiply
    2,947,489.71x = 4,421,234.56 × 817,573.83
  4. Step 4: Simplify right side
    2,947,489.71x = 3,614,685,672,547.56
  5. Step 5: Solve for x
    x = 3,614,685,672,547.56/2,947,489.71
  6. Step 6: Final answer
    x = 1,226,360.74

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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.