Home / 5,173,734.32-7,720,138.78-4,635,775.28

Finding the Fourth Proportional to 5,173,734.32, 7,720,138.78 and 4,635,775.28

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Solution

The fourth proportional to 5,173,734.32, 7,720,138.78 and 4,635,775.28 is: 6,917,407.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,173,734.32 : 7,720,138.78 = 4,635,775.28 : x
  2. Step 2: Convert to fraction form
    5,173,734.32/7,720,138.78 = 4,635,775.28/x
  3. Step 3: Cross multiply
    5,173,734.32x = 7,720,138.78 × 4,635,775.28
  4. Step 4: Simplify right side
    5,173,734.32x = 35,788,828,514,493.36
  5. Step 5: Solve for x
    x = 35,788,828,514,493.36/5,173,734.32
  6. Step 6: Final answer
    x = 6,917,407.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.