Home / 2,988,487.20-4,481,173.44-1,068,658.32

Finding the Fourth Proportional to 2,988,487.20, 4,481,173.44 and 1,068,658.32

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Solution

The fourth proportional to 2,988,487.20, 4,481,173.44 and 1,068,658.32 is: 1,602,430.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,487.20 : 4,481,173.44 = 1,068,658.32 : x
  2. Step 2: Convert to fraction form
    2,988,487.20/4,481,173.44 = 1,068,658.32/x
  3. Step 3: Cross multiply
    2,988,487.20x = 4,481,173.44 × 1,068,658.32
  4. Step 4: Simplify right side
    2,988,487.20x = 4,788,843,280,019.02
  5. Step 5: Solve for x
    x = 4,788,843,280,019.02/2,988,487.20
  6. Step 6: Final answer
    x = 1,602,430.58

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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.