Home / 3,445,205.40-4,754,336.72-1,917,312.53

Finding the Fourth Proportional to 3,445,205.40, 4,754,336.72 and 1,917,312.53

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Solution

The fourth proportional to 3,445,205.40, 4,754,336.72 and 1,917,312.53 is: 2,645,865.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,205.40 : 4,754,336.72 = 1,917,312.53 : x
  2. Step 2: Convert to fraction form
    3,445,205.40/4,754,336.72 = 1,917,312.53/x
  3. Step 3: Cross multiply
    3,445,205.40x = 4,754,336.72 × 1,917,312.53
  4. Step 4: Simplify right side
    3,445,205.40x = 9,115,549,331,736.86
  5. Step 5: Solve for x
    x = 9,115,549,331,736.86/3,445,205.40
  6. Step 6: Final answer
    x = 2,645,865.27

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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.