Home / 5,432,781.80-8,143,988.70-2,020,154.60

Finding the Fourth Proportional to 5,432,781.80, 8,143,988.70 and 2,020,154.60

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Solution

The fourth proportional to 5,432,781.80, 8,143,988.70 and 2,020,154.60 is: 3,028,304.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432,781.80 : 8,143,988.70 = 2,020,154.60 : x
  2. Step 2: Convert to fraction form
    5,432,781.80/8,143,988.70 = 2,020,154.60/x
  3. Step 3: Cross multiply
    5,432,781.80x = 8,143,988.70 × 2,020,154.60
  4. Step 4: Simplify right side
    5,432,781.80x = 16,452,116,234,653.02
  5. Step 5: Solve for x
    x = 16,452,116,234,653.02/5,432,781.80
  6. Step 6: Final answer
    x = 3,028,304.25

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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.