Home / 5,314,314.48-7,331,228.16-3,137,399.28

Finding the Fourth Proportional to 5,314,314.48, 7,331,228.16 and 3,137,399.28

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Solution

The fourth proportional to 5,314,314.48, 7,331,228.16 and 3,137,399.28 is: 4,328,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,314.48 : 7,331,228.16 = 3,137,399.28 : x
  2. Step 2: Convert to fraction form
    5,314,314.48/7,331,228.16 = 3,137,399.28/x
  3. Step 3: Cross multiply
    5,314,314.48x = 7,331,228.16 × 3,137,399.28
  4. Step 4: Simplify right side
    5,314,314.48x = 23,000,989,938,934.48
  5. Step 5: Solve for x
    x = 23,000,989,938,934.48/5,314,314.48
  6. Step 6: Final answer
    x = 4,328,119.84

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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.