Home / 2,136,988.80-2,949,044.19-1,170,118.92

Finding the Fourth Proportional to 2,136,988.80, 2,949,044.19 and 1,170,118.92

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Solution

The fourth proportional to 2,136,988.80, 2,949,044.19 and 1,170,118.92 is: 1,614,763.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,988.80 : 2,949,044.19 = 1,170,118.92 : x
  2. Step 2: Convert to fraction form
    2,136,988.80/2,949,044.19 = 1,170,118.92/x
  3. Step 3: Cross multiply
    2,136,988.80x = 2,949,044.19 × 1,170,118.92
  4. Step 4: Simplify right side
    2,136,988.80x = 3,450,732,402,635.08
  5. Step 5: Solve for x
    x = 3,450,732,402,635.08/2,136,988.80
  6. Step 6: Final answer
    x = 1,614,763.92

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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.