Home / 2,154,000.80-2,972,507.28-1,187,132

Finding the Fourth Proportional to 2,154,000.80, 2,972,507.28 and 1,187,132

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Solution

The fourth proportional to 2,154,000.80, 2,972,507.28 and 1,187,132 is: 1,638,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,000.80 : 2,972,507.28 = 1,187,132 : x
  2. Step 2: Convert to fraction form
    2,154,000.80/2,972,507.28 = 1,187,132/x
  3. Step 3: Cross multiply
    2,154,000.80x = 2,972,507.28 × 1,187,132
  4. Step 4: Simplify right side
    2,154,000.80x = 3,528,758,512,320.96
  5. Step 5: Solve for x
    x = 3,528,758,512,320.96/2,154,000.80
  6. Step 6: Final answer
    x = 1,638,234.54

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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.