Home / 3,178,077.12-4,385,655.12-1,801,548.18

Finding the Fourth Proportional to 3,178,077.12, 4,385,655.12 and 1,801,548.18

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Solution

The fourth proportional to 3,178,077.12, 4,385,655.12 and 1,801,548.18 is: 2,486,084.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,077.12 : 4,385,655.12 = 1,801,548.18 : x
  2. Step 2: Convert to fraction form
    3,178,077.12/4,385,655.12 = 1,801,548.18/x
  3. Step 3: Cross multiply
    3,178,077.12x = 4,385,655.12 × 1,801,548.18
  4. Step 4: Simplify right side
    3,178,077.12x = 7,900,968,999,543.68
  5. Step 5: Solve for x
    x = 7,900,968,999,543.68/3,178,077.12
  6. Step 6: Final answer
    x = 2,486,084.73

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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.