Home / 3,234,145.60-4,851,909.60-990,510.40

Finding the Fourth Proportional to 3,234,145.60, 4,851,909.60 and 990,510.40

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Solution

The fourth proportional to 3,234,145.60, 4,851,909.60 and 990,510.40 is: 1,485,977.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,234,145.60 : 4,851,909.60 = 990,510.40 : x
  2. Step 2: Convert to fraction form
    3,234,145.60/4,851,909.60 = 990,510.40/x
  3. Step 3: Cross multiply
    3,234,145.60x = 4,851,909.60 × 990,510.40
  4. Step 4: Simplify right side
    3,234,145.60x = 4,805,866,918,659.84
  5. Step 5: Solve for x
    x = 4,805,866,918,659.84/3,234,145.60
  6. Step 6: Final answer
    x = 1,485,977.29

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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.