Home / 3,445,397.78-4,754,649-1,917,865.76

Finding the Fourth Proportional to 3,445,397.78, 4,754,649 and 1,917,865.76

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Solution

The fourth proportional to 3,445,397.78, 4,754,649 and 1,917,865.76 is: 2,646,654.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,397.78 : 4,754,649 = 1,917,865.76 : x
  2. Step 2: Convert to fraction form
    3,445,397.78/4,754,649 = 1,917,865.76/x
  3. Step 3: Cross multiply
    3,445,397.78x = 4,754,649 × 1,917,865.76
  4. Step 4: Simplify right side
    3,445,397.78x = 9,118,778,517,918.24
  5. Step 5: Solve for x
    x = 9,118,778,517,918.24/3,445,397.78
  6. Step 6: Final answer
    x = 2,646,654.78

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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.