Home / 5,747,115.80-8,620,673.70-4,719,663.20

Finding the Fourth Proportional to 5,747,115.80, 8,620,673.70 and 4,719,663.20

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Solution

The fourth proportional to 5,747,115.80, 8,620,673.70 and 4,719,663.20 is: 7,079,494.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,747,115.80 : 8,620,673.70 = 4,719,663.20 : x
  2. Step 2: Convert to fraction form
    5,747,115.80/8,620,673.70 = 4,719,663.20/x
  3. Step 3: Cross multiply
    5,747,115.80x = 8,620,673.70 × 4,719,663.20
  4. Step 4: Simplify right side
    5,747,115.80x = 40,686,676,421,097.84
  5. Step 5: Solve for x
    x = 40,686,676,421,097.84/5,747,115.80
  6. Step 6: Final answer
    x = 7,079,494.80

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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.