Home / 5,326,276.80-7,989,415.20-3,625,665.60

Finding the Fourth Proportional to 5,326,276.80, 7,989,415.20 and 3,625,665.60

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Solution

The fourth proportional to 5,326,276.80, 7,989,415.20 and 3,625,665.60 is: 5,438,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,326,276.80 : 7,989,415.20 = 3,625,665.60 : x
  2. Step 2: Convert to fraction form
    5,326,276.80/7,989,415.20 = 3,625,665.60/x
  3. Step 3: Cross multiply
    5,326,276.80x = 7,989,415.20 × 3,625,665.60
  4. Step 4: Simplify right side
    5,326,276.80x = 28,966,947,854,757.12
  5. Step 5: Solve for x
    x = 28,966,947,854,757.12/5,326,276.80
  6. Step 6: Final answer
    x = 5,438,498.40

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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.