Home / 4,520,147.60-6,780,221.40-1,528,331.60

Finding the Fourth Proportional to 4,520,147.60, 6,780,221.40 and 1,528,331.60

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Solution

The fourth proportional to 4,520,147.60, 6,780,221.40 and 1,528,331.60 is: 2,292,497.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520,147.60 : 6,780,221.40 = 1,528,331.60 : x
  2. Step 2: Convert to fraction form
    4,520,147.60/6,780,221.40 = 1,528,331.60/x
  3. Step 3: Cross multiply
    4,520,147.60x = 6,780,221.40 × 1,528,331.60
  4. Step 4: Simplify right side
    4,520,147.60x = 10,362,426,620,616.24
  5. Step 5: Solve for x
    x = 10,362,426,620,616.24/4,520,147.60
  6. Step 6: Final answer
    x = 2,292,497.40

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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.