Home / 2,754,421.40-4,131,632.10-1,676,667.80

Finding the Fourth Proportional to 2,754,421.40, 4,131,632.10 and 1,676,667.80

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Solution

The fourth proportional to 2,754,421.40, 4,131,632.10 and 1,676,667.80 is: 2,515,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,421.40 : 4,131,632.10 = 1,676,667.80 : x
  2. Step 2: Convert to fraction form
    2,754,421.40/4,131,632.10 = 1,676,667.80/x
  3. Step 3: Cross multiply
    2,754,421.40x = 4,131,632.10 × 1,676,667.80
  4. Step 4: Simplify right side
    2,754,421.40x = 6,927,374,503,516.38
  5. Step 5: Solve for x
    x = 6,927,374,503,516.38/2,754,421.40
  6. Step 6: Final answer
    x = 2,515,001.70

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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.