Home / 5,274,012.20-7,890,023.10-4,571,839.40

Finding the Fourth Proportional to 5,274,012.20, 7,890,023.10 and 4,571,839.40

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Solution

The fourth proportional to 5,274,012.20, 7,890,023.10 and 4,571,839.40 is: 6,839,559.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,274,012.20 : 7,890,023.10 = 4,571,839.40 : x
  2. Step 2: Convert to fraction form
    5,274,012.20/7,890,023.10 = 4,571,839.40/x
  3. Step 3: Cross multiply
    5,274,012.20x = 7,890,023.10 × 4,571,839.40
  4. Step 4: Simplify right side
    5,274,012.20x = 36,071,918,475,490.14
  5. Step 5: Solve for x
    x = 36,071,918,475,490.14/5,274,012.20
  6. Step 6: Final answer
    x = 6,839,559.16

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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.