Home / 3,208,442.50-4,427,650.65-1,919,337.22

Finding the Fourth Proportional to 3,208,442.50, 4,427,650.65 and 1,919,337.22

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Solution

The fourth proportional to 3,208,442.50, 4,427,650.65 and 1,919,337.22 is: 2,648,685.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208,442.50 : 4,427,650.65 = 1,919,337.22 : x
  2. Step 2: Convert to fraction form
    3,208,442.50/4,427,650.65 = 1,919,337.22/x
  3. Step 3: Cross multiply
    3,208,442.50x = 4,427,650.65 × 1,919,337.22
  4. Step 4: Simplify right side
    3,208,442.50x = 8,498,154,689,702.19
  5. Step 5: Solve for x
    x = 8,498,154,689,702.19/3,208,442.50
  6. Step 6: Final answer
    x = 2,648,685.36

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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.