Home / 5,185,417.60-7,785,124.80-4,121,660.80

Finding the Fourth Proportional to 5,185,417.60, 7,785,124.80 and 4,121,660.80

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Solution

The fourth proportional to 5,185,417.60, 7,785,124.80 and 4,121,660.80 is: 6,188,053.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,185,417.60 : 7,785,124.80 = 4,121,660.80 : x
  2. Step 2: Convert to fraction form
    5,185,417.60/7,785,124.80 = 4,121,660.80/x
  3. Step 3: Cross multiply
    5,185,417.60x = 7,785,124.80 × 4,121,660.80
  4. Step 4: Simplify right side
    5,185,417.60x = 32,087,643,711,267.84
  5. Step 5: Solve for x
    x = 32,087,643,711,267.84/5,185,417.60
  6. Step 6: Final answer
    x = 6,188,053.92

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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.