Home / 5,712,053.12-7,882,632.72-3,231,220.79

Finding the Fourth Proportional to 5,712,053.12, 7,882,632.72 and 3,231,220.79

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Solution

The fourth proportional to 5,712,053.12, 7,882,632.72 and 3,231,220.79 is: 4,459,084.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712,053.12 : 7,882,632.72 = 3,231,220.79 : x
  2. Step 2: Convert to fraction form
    5,712,053.12/7,882,632.72 = 3,231,220.79/x
  3. Step 3: Cross multiply
    5,712,053.12x = 7,882,632.72 × 3,231,220.79
  4. Step 4: Simplify right side
    5,712,053.12x = 25,470,526,724,798.25
  5. Step 5: Solve for x
    x = 25,470,526,724,798.25/5,712,053.12
  6. Step 6: Final answer
    x = 4,459,084.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.