Home / 2,890,267.72-3,988,569.50-1,601,191.60

Finding the Fourth Proportional to 2,890,267.72, 3,988,569.50 and 1,601,191.60

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Solution

The fourth proportional to 2,890,267.72, 3,988,569.50 and 1,601,191.60 is: 2,209,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890,267.72 : 3,988,569.50 = 1,601,191.60 : x
  2. Step 2: Convert to fraction form
    2,890,267.72/3,988,569.50 = 1,601,191.60/x
  3. Step 3: Cross multiply
    2,890,267.72x = 3,988,569.50 × 1,601,191.60
  4. Step 4: Simplify right side
    2,890,267.72x = 6,386,463,967,443.29
  5. Step 5: Solve for x
    x = 6,386,463,967,443.29/2,890,267.72
  6. Step 6: Final answer
    x = 2,209,644.43

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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.