Home / 5,141,333.60-7,712,000.40-2,621,909.60

Finding the Fourth Proportional to 5,141,333.60, 7,712,000.40 and 2,621,909.60

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Solution

The fourth proportional to 5,141,333.60, 7,712,000.40 and 2,621,909.60 is: 3,932,864.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,141,333.60 : 7,712,000.40 = 2,621,909.60 : x
  2. Step 2: Convert to fraction form
    5,141,333.60/7,712,000.40 = 2,621,909.60/x
  3. Step 3: Cross multiply
    5,141,333.60x = 7,712,000.40 × 2,621,909.60
  4. Step 4: Simplify right side
    5,141,333.60x = 20,220,167,883,963.84
  5. Step 5: Solve for x
    x = 20,220,167,883,963.84/5,141,333.60
  6. Step 6: Final answer
    x = 3,932,864.40

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1.5x scale

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.