Home / 3,157,840.16-4,357,556.16-1,781,108

Finding the Fourth Proportional to 3,157,840.16, 4,357,556.16 and 1,781,108

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Solution

The fourth proportional to 3,157,840.16, 4,357,556.16 and 1,781,108 is: 2,457,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,157,840.16 : 4,357,556.16 = 1,781,108 : x
  2. Step 2: Convert to fraction form
    3,157,840.16/4,357,556.16 = 1,781,108/x
  3. Step 3: Cross multiply
    3,157,840.16x = 4,357,556.16 × 1,781,108
  4. Step 4: Simplify right side
    3,157,840.16x = 7,761,278,137,025.28
  5. Step 5: Solve for x
    x = 7,761,278,137,025.28/3,157,840.16
  6. Step 6: Final answer
    x = 2,457,780.55

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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.