Home / 5,979,661.40-8,968,034.10-1,719,385.40

Finding the Fourth Proportional to 5,979,661.40, 8,968,034.10 and 1,719,385.40

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Solution

The fourth proportional to 5,979,661.40, 8,968,034.10 and 1,719,385.40 is: 2,578,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979,661.40 : 8,968,034.10 = 1,719,385.40 : x
  2. Step 2: Convert to fraction form
    5,979,661.40/8,968,034.10 = 1,719,385.40/x
  3. Step 3: Cross multiply
    5,979,661.40x = 8,968,034.10 × 1,719,385.40
  4. Step 4: Simplify right side
    5,979,661.40x = 15,419,506,898,242.14
  5. Step 5: Solve for x
    x = 15,419,506,898,242.14/5,979,661.40
  6. Step 6: Final answer
    x = 2,578,658.87

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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.