Home / 5,189,931.20-7,784,896.80-4,895,998.40

Finding the Fourth Proportional to 5,189,931.20, 7,784,896.80 and 4,895,998.40

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Solution

The fourth proportional to 5,189,931.20, 7,784,896.80 and 4,895,998.40 is: 7,343,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189,931.20 : 7,784,896.80 = 4,895,998.40 : x
  2. Step 2: Convert to fraction form
    5,189,931.20/7,784,896.80 = 4,895,998.40/x
  3. Step 3: Cross multiply
    5,189,931.20x = 7,784,896.80 × 4,895,998.40
  4. Step 4: Simplify right side
    5,189,931.20x = 38,114,842,276,965.12
  5. Step 5: Solve for x
    x = 38,114,842,276,965.12/5,189,931.20
  6. Step 6: Final answer
    x = 7,343,997.60

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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.