Home / 2,947,445.75-4,421,168.26-817,529.86

Finding the Fourth Proportional to 2,947,445.75, 4,421,168.26 and 817,529.86

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Solution

The fourth proportional to 2,947,445.75, 4,421,168.26 and 817,529.86 is: 1,226,294.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,445.75 : 4,421,168.26 = 817,529.86 : x
  2. Step 2: Convert to fraction form
    2,947,445.75/4,421,168.26 = 817,529.86/x
  3. Step 3: Cross multiply
    2,947,445.75x = 4,421,168.26 × 817,529.86
  4. Step 4: Simplify right side
    2,947,445.75x = 3,614,437,072,116.88
  5. Step 5: Solve for x
    x = 3,614,437,072,116.88/2,947,445.75
  6. Step 6: Final answer
    x = 1,226,294.69

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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.