Home / 2,129,339.07-2,938,532.49-1,162,510.11

Finding the Fourth Proportional to 2,129,339.07, 2,938,532.49 and 1,162,510.11

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Solution

The fourth proportional to 2,129,339.07, 2,938,532.49 and 1,162,510.11 is: 1,604,288.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,339.07 : 2,938,532.49 = 1,162,510.11 : x
  2. Step 2: Convert to fraction form
    2,129,339.07/2,938,532.49 = 1,162,510.11/x
  3. Step 3: Cross multiply
    2,129,339.07x = 2,938,532.49 × 1,162,510.11
  4. Step 4: Simplify right side
    2,129,339.07x = 3,416,073,728,188.47
  5. Step 5: Solve for x
    x = 3,416,073,728,188.47/2,129,339.07
  6. Step 6: Final answer
    x = 1,604,288.29

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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.