Home / 5,632,031.20-8,448,046.80-1,643,346.40

Finding the Fourth Proportional to 5,632,031.20, 8,448,046.80 and 1,643,346.40

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Solution

The fourth proportional to 5,632,031.20, 8,448,046.80 and 1,643,346.40 is: 2,465,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,632,031.20 : 8,448,046.80 = 1,643,346.40 : x
  2. Step 2: Convert to fraction form
    5,632,031.20/8,448,046.80 = 1,643,346.40/x
  3. Step 3: Cross multiply
    5,632,031.20x = 8,448,046.80 × 1,643,346.40
  4. Step 4: Simplify right side
    5,632,031.20x = 13,883,067,295,811.52
  5. Step 5: Solve for x
    x = 13,883,067,295,811.52/5,632,031.20
  6. Step 6: Final answer
    x = 2,465,019.60

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Similar ratio
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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.