Home / 4,920,479.60-7,380,719.40-1,729,209.20

Finding the Fourth Proportional to 4,920,479.60, 7,380,719.40 and 1,729,209.20

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Solution

The fourth proportional to 4,920,479.60, 7,380,719.40 and 1,729,209.20 is: 2,593,813.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,479.60 : 7,380,719.40 = 1,729,209.20 : x
  2. Step 2: Convert to fraction form
    4,920,479.60/7,380,719.40 = 1,729,209.20/x
  3. Step 3: Cross multiply
    4,920,479.60x = 7,380,719.40 × 1,729,209.20
  4. Step 4: Simplify right side
    4,920,479.60x = 12,762,807,889,098.48
  5. Step 5: Solve for x
    x = 12,762,807,889,098.48/4,920,479.60
  6. Step 6: Final answer
    x = 2,593,813.80

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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.