Home / 2,780,801.10-4,171,201.65-887,604.30

Finding the Fourth Proportional to 2,780,801.10, 4,171,201.65 and 887,604.30

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Solution

The fourth proportional to 2,780,801.10, 4,171,201.65 and 887,604.30 is: 1,331,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,780,801.10 : 4,171,201.65 = 887,604.30 : x
  2. Step 2: Convert to fraction form
    2,780,801.10/4,171,201.65 = 887,604.30/x
  3. Step 3: Cross multiply
    2,780,801.10x = 4,171,201.65 × 887,604.30
  4. Step 4: Simplify right side
    2,780,801.10x = 3,702,376,520,707.10
  5. Step 5: Solve for x
    x = 3,702,376,520,707.10/2,780,801.10
  6. Step 6: Final answer
    x = 1,331,406.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.