Home / 3,213,686.60-4,820,557.16-817,533.26

Finding the Fourth Proportional to 3,213,686.60, 4,820,557.16 and 817,533.26

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Solution

The fourth proportional to 3,213,686.60, 4,820,557.16 and 817,533.26 is: 1,226,306.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,686.60 : 4,820,557.16 = 817,533.26 : x
  2. Step 2: Convert to fraction form
    3,213,686.60/4,820,557.16 = 817,533.26/x
  3. Step 3: Cross multiply
    3,213,686.60x = 4,820,557.16 × 817,533.26
  4. Step 4: Simplify right side
    3,213,686.60x = 3,940,965,781,840.69
  5. Step 5: Solve for x
    x = 3,940,965,781,840.69/3,213,686.60
  6. Step 6: Final answer
    x = 1,226,306.82

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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.