Home / 5,315,897.20-7,979,750.70-3,296,421.40

Finding the Fourth Proportional to 5,315,897.20, 7,979,750.70 and 3,296,421.40

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Solution

The fourth proportional to 5,315,897.20, 7,979,750.70 and 3,296,421.40 is: 4,948,293.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,897.20 : 7,979,750.70 = 3,296,421.40 : x
  2. Step 2: Convert to fraction form
    5,315,897.20/7,979,750.70 = 3,296,421.40/x
  3. Step 3: Cross multiply
    5,315,897.20x = 7,979,750.70 × 3,296,421.40
  4. Step 4: Simplify right side
    5,315,897.20x = 26,304,620,974,144.98
  5. Step 5: Solve for x
    x = 26,304,620,974,144.98/5,315,897.20
  6. Step 6: Final answer
    x = 4,948,293.77

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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.