Home / 3,445,268-4,754,423.40-1,917,374.72

Finding the Fourth Proportional to 3,445,268, 4,754,423.40 and 1,917,374.72

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Solution

The fourth proportional to 3,445,268, 4,754,423.40 and 1,917,374.72 is: 2,645,951.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,268 : 4,754,423.40 = 1,917,374.72 : x
  2. Step 2: Convert to fraction form
    3,445,268/4,754,423.40 = 1,917,374.72/x
  3. Step 3: Cross multiply
    3,445,268x = 4,754,423.40 × 1,917,374.72
  4. Step 4: Simplify right side
    3,445,268x = 9,116,011,235,336.45
  5. Step 5: Solve for x
    x = 9,116,011,235,336.45/3,445,268
  6. Step 6: Final answer
    x = 2,645,951.27

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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.