Home / 2,666,943.52-3,680,446.86-1,521,130.48

Finding the Fourth Proportional to 2,666,943.52, 3,680,446.86 and 1,521,130.48

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Solution

The fourth proportional to 2,666,943.52, 3,680,446.86 and 1,521,130.48 is: 2,099,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,943.52 : 3,680,446.86 = 1,521,130.48 : x
  2. Step 2: Convert to fraction form
    2,666,943.52/3,680,446.86 = 1,521,130.48/x
  3. Step 3: Cross multiply
    2,666,943.52x = 3,680,446.86 × 1,521,130.48
  4. Step 4: Simplify right side
    2,666,943.52x = 5,598,439,898,766.29
  5. Step 5: Solve for x
    x = 5,598,439,898,766.29/2,666,943.52
  6. Step 6: Final answer
    x = 2,099,197.02

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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.