Home / 2,115,582.28-2,919,473.62-1,197,787.72

Finding the Fourth Proportional to 2,115,582.28, 2,919,473.62 and 1,197,787.72

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Solution

The fourth proportional to 2,115,582.28, 2,919,473.62 and 1,197,787.72 is: 1,652,930.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,582.28 : 2,919,473.62 = 1,197,787.72 : x
  2. Step 2: Convert to fraction form
    2,115,582.28/2,919,473.62 = 1,197,787.72/x
  3. Step 3: Cross multiply
    2,115,582.28x = 2,919,473.62 × 1,197,787.72
  4. Step 4: Simplify right side
    2,115,582.28x = 3,496,909,650,899.95
  5. Step 5: Solve for x
    x = 3,496,909,650,899.95/2,115,582.28
  6. Step 6: Final answer
    x = 1,652,930.11

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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.