Home / 6,838,390.60-9,434,013.78-4,120,592.20

Finding the Fourth Proportional to 6,838,390.60, 9,434,013.78 and 4,120,592.20

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Solution

The fourth proportional to 6,838,390.60, 9,434,013.78 and 4,120,592.20 is: 5,684,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838,390.60 : 9,434,013.78 = 4,120,592.20 : x
  2. Step 2: Convert to fraction form
    6,838,390.60/9,434,013.78 = 4,120,592.20/x
  3. Step 3: Cross multiply
    6,838,390.60x = 9,434,013.78 × 4,120,592.20
  4. Step 4: Simplify right side
    6,838,390.60x = 38,873,723,596,560.52
  5. Step 5: Solve for x
    x = 38,873,723,596,560.52/6,838,390.60
  6. Step 6: Final answer
    x = 5,684,630.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.