Home / 1,671,121.20-2,506,681.80-1,489,162.80

Finding the Fourth Proportional to 1,671,121.20, 2,506,681.80 and 1,489,162.80

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Solution

The fourth proportional to 1,671,121.20, 2,506,681.80 and 1,489,162.80 is: 2,233,744.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,121.20 : 2,506,681.80 = 1,489,162.80 : x
  2. Step 2: Convert to fraction form
    1,671,121.20/2,506,681.80 = 1,489,162.80/x
  3. Step 3: Cross multiply
    1,671,121.20x = 2,506,681.80 × 1,489,162.80
  4. Step 4: Simplify right side
    1,671,121.20x = 3,732,857,287,997.04
  5. Step 5: Solve for x
    x = 3,732,857,287,997.04/1,671,121.20
  6. Step 6: Final answer
    x = 2,233,744.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.