Home / 2,947,416.76-4,421,124.30-817,501.12

Finding the Fourth Proportional to 2,947,416.76, 4,421,124.30 and 817,501.12

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Solution

The fourth proportional to 2,947,416.76, 4,421,124.30 and 817,501.12 is: 1,226,251.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,416.76 : 4,421,124.30 = 817,501.12 : x
  2. Step 2: Convert to fraction form
    2,947,416.76/4,421,124.30 = 817,501.12/x
  3. Step 3: Cross multiply
    2,947,416.76x = 4,421,124.30 × 817,501.12
  4. Step 4: Simplify right side
    2,947,416.76x = 3,614,274,066,909.22
  5. Step 5: Solve for x
    x = 3,614,274,066,909.22/2,947,416.76
  6. Step 6: Final answer
    x = 1,226,251.45

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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.