Home / 2,947,477.25-4,421,215.60-817,561.46

Finding the Fourth Proportional to 2,947,477.25, 4,421,215.60 and 817,561.46

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Solution

The fourth proportional to 2,947,477.25, 4,421,215.60 and 817,561.46 is: 1,226,342.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,947,477.25 : 4,421,215.60 = 817,561.46 : x
  2. Step 2: Convert to fraction form
    2,947,477.25/4,421,215.60 = 817,561.46/x
  3. Step 3: Cross multiply
    2,947,477.25x = 4,421,215.60 × 817,561.46
  4. Step 4: Simplify right side
    2,947,477.25x = 3,614,615,480,910.78
  5. Step 5: Solve for x
    x = 3,614,615,480,910.78/2,947,477.25
  6. Step 6: Final answer
    x = 1,226,342.11

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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.