Home / 3,913,279.40-5,872,835.10-2,019,045.80

Finding the Fourth Proportional to 3,913,279.40, 5,872,835.10 and 2,019,045.80

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Solution

The fourth proportional to 3,913,279.40, 5,872,835.10 and 2,019,045.80 is: 3,030,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,279.40 : 5,872,835.10 = 2,019,045.80 : x
  2. Step 2: Convert to fraction form
    3,913,279.40/5,872,835.10 = 2,019,045.80/x
  3. Step 3: Cross multiply
    3,913,279.40x = 5,872,835.10 × 2,019,045.80
  4. Step 4: Simplify right side
    3,913,279.40x = 11,857,523,042,747.58
  5. Step 5: Solve for x
    x = 11,857,523,042,747.58/3,913,279.40
  6. Step 6: Final answer
    x = 3,030,073.20

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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.