Home / 2,947,412.76-4,421,118.30-817,497.12

Finding the Fourth Proportional to 2,947,412.76, 4,421,118.30 and 817,497.12

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Solution

The fourth proportional to 2,947,412.76, 4,421,118.30 and 817,497.12 is: 1,226,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,412.76 : 4,421,118.30 = 817,497.12 : x
  2. Step 2: Convert to fraction form
    2,947,412.76/4,421,118.30 = 817,497.12/x
  3. Step 3: Cross multiply
    2,947,412.76x = 4,421,118.30 × 817,497.12
  4. Step 4: Simplify right side
    2,947,412.76x = 3,614,251,477,429.30
  5. Step 5: Solve for x
    x = 3,614,251,477,429.30/2,947,412.76
  6. Step 6: Final answer
    x = 1,226,245.45

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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.