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Finding the Fourth Proportional to 2,898,979.50, 4,347,750.66 and 979,848.03

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Solution

The fourth proportional to 2,898,979.50, 4,347,750.66 and 979,848.03 is: 1,469,529.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898,979.50 : 4,347,750.66 = 979,848.03 : x
  2. Step 2: Convert to fraction form
    2,898,979.50/4,347,750.66 = 979,848.03/x
  3. Step 3: Cross multiply
    2,898,979.50x = 4,347,750.66 × 979,848.03
  4. Step 4: Simplify right side
    2,898,979.50x = 4,260,134,919,132.20
  5. Step 5: Solve for x
    x = 4,260,134,919,132.20/2,898,979.50
  6. Step 6: Final answer
    x = 1,469,529.16

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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.