Home / 2,108,125.80-2,909,220.15-1,141,253.79

Finding the Fourth Proportional to 2,108,125.80, 2,909,220.15 and 1,141,253.79

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Solution

The fourth proportional to 2,108,125.80, 2,909,220.15 and 1,141,253.79 is: 1,574,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,108,125.80 : 2,909,220.15 = 1,141,253.79 : x
  2. Step 2: Convert to fraction form
    2,108,125.80/2,909,220.15 = 1,141,253.79/x
  3. Step 3: Cross multiply
    2,108,125.80x = 2,909,220.15 × 1,141,253.79
  4. Step 4: Simplify right side
    2,108,125.80x = 3,320,158,522,131.87
  5. Step 5: Solve for x
    x = 3,320,158,522,131.87/2,108,125.80
  6. Step 6: Final answer
    x = 1,574,933.77

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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.