Home / 5,238,432.96-7,228,646.69-2,946,150.78

Finding the Fourth Proportional to 5,238,432.96, 7,228,646.69 and 2,946,150.78

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Solution

The fourth proportional to 5,238,432.96, 7,228,646.69 and 2,946,150.78 is: 4,065,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238,432.96 : 7,228,646.69 = 2,946,150.78 : x
  2. Step 2: Convert to fraction form
    5,238,432.96/7,228,646.69 = 2,946,150.78/x
  3. Step 3: Cross multiply
    5,238,432.96x = 7,228,646.69 × 2,946,150.78
  4. Step 4: Simplify right side
    5,238,432.96x = 21,296,683,069,357.16
  5. Step 5: Solve for x
    x = 21,296,683,069,357.16/5,238,432.96
  6. Step 6: Final answer
    x = 4,065,468.29

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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.