Home / 7,119,294.56-10,678,828.72-1,727,989.60

Finding the Fourth Proportional to 7,119,294.56, 10,678,828.72 and 1,727,989.60

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Solution

The fourth proportional to 7,119,294.56, 10,678,828.72 and 1,727,989.60 is: 2,591,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,119,294.56 : 10,678,828.72 = 1,727,989.60 : x
  2. Step 2: Convert to fraction form
    7,119,294.56/10,678,828.72 = 1,727,989.60/x
  3. Step 3: Cross multiply
    7,119,294.56x = 10,678,828.72 × 1,727,989.60
  4. Step 4: Simplify right side
    7,119,294.56x = 18,452,904,968,341.31
  5. Step 5: Solve for x
    x = 18,452,904,968,341.31/7,119,294.56
  6. Step 6: Final answer
    x = 2,591,956.94

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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.