Home / 3,426,765.37-5,138,436.67-1,120,957.52

Finding the Fourth Proportional to 3,426,765.37, 5,138,436.67 and 1,120,957.52

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Solution

The fourth proportional to 3,426,765.37, 5,138,436.67 and 1,120,957.52 is: 1,680,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,765.37 : 5,138,436.67 = 1,120,957.52 : x
  2. Step 2: Convert to fraction form
    3,426,765.37/5,138,436.67 = 1,120,957.52/x
  3. Step 3: Cross multiply
    3,426,765.37x = 5,138,436.67 × 1,120,957.52
  4. Step 4: Simplify right side
    3,426,765.37x = 5,759,969,226,280.26
  5. Step 5: Solve for x
    x = 5,759,969,226,280.26/3,426,765.37
  6. Step 6: Final answer
    x = 1,680,876.45

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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.