Home / 5,527,133.20-8,290,699.80-3,921,000.40

Finding the Fourth Proportional to 5,527,133.20, 8,290,699.80 and 3,921,000.40

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Solution

The fourth proportional to 5,527,133.20, 8,290,699.80 and 3,921,000.40 is: 5,881,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,527,133.20 : 8,290,699.80 = 3,921,000.40 : x
  2. Step 2: Convert to fraction form
    5,527,133.20/8,290,699.80 = 3,921,000.40/x
  3. Step 3: Cross multiply
    5,527,133.20x = 8,290,699.80 × 3,921,000.40
  4. Step 4: Simplify right side
    5,527,133.20x = 32,507,837,232,079.92
  5. Step 5: Solve for x
    x = 32,507,837,232,079.92/5,527,133.20
  6. Step 6: Final answer
    x = 5,881,500.60

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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.