Home / 3,448,325.22-4,758,836.45-1,920,432.35

Finding the Fourth Proportional to 3,448,325.22, 4,758,836.45 and 1,920,432.35

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Solution

The fourth proportional to 3,448,325.22, 4,758,836.45 and 1,920,432.35 is: 2,650,278.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,325.22 : 4,758,836.45 = 1,920,432.35 : x
  2. Step 2: Convert to fraction form
    3,448,325.22/4,758,836.45 = 1,920,432.35/x
  3. Step 3: Cross multiply
    3,448,325.22x = 4,758,836.45 × 1,920,432.35
  4. Step 4: Simplify right side
    3,448,325.22x = 9,139,023,433,542.82
  5. Step 5: Solve for x
    x = 9,139,023,433,542.82/3,448,325.22
  6. Step 6: Final answer
    x = 2,650,278.86

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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.