Home / 5,602,145.20-8,403,217.80-3,688,957.60

Finding the Fourth Proportional to 5,602,145.20, 8,403,217.80 and 3,688,957.60

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Solution

The fourth proportional to 5,602,145.20, 8,403,217.80 and 3,688,957.60 is: 5,533,436.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,602,145.20 : 8,403,217.80 = 3,688,957.60 : x
  2. Step 2: Convert to fraction form
    5,602,145.20/8,403,217.80 = 3,688,957.60/x
  3. Step 3: Cross multiply
    5,602,145.20x = 8,403,217.80 × 3,688,957.60
  4. Step 4: Simplify right side
    5,602,145.20x = 30,999,114,167,765.29
  5. Step 5: Solve for x
    x = 30,999,114,167,765.29/5,602,145.20
  6. Step 6: Final answer
    x = 5,533,436.40

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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.