Home / 3,125,487.60-4,688,231.40-2,621,602.80

Finding the Fourth Proportional to 3,125,487.60, 4,688,231.40 and 2,621,602.80

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Solution

The fourth proportional to 3,125,487.60, 4,688,231.40 and 2,621,602.80 is: 3,932,404.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125,487.60 : 4,688,231.40 = 2,621,602.80 : x
  2. Step 2: Convert to fraction form
    3,125,487.60/4,688,231.40 = 2,621,602.80/x
  3. Step 3: Cross multiply
    3,125,487.60x = 4,688,231.40 × 2,621,602.80
  4. Step 4: Simplify right side
    3,125,487.60x = 12,290,680,565,287.92
  5. Step 5: Solve for x
    x = 12,290,680,565,287.92/3,125,487.60
  6. Step 6: Final answer
    x = 3,932,404.20

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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.