Home / 5,267,287.80-7,900,931.70-4,679,422.20

Finding the Fourth Proportional to 5,267,287.80, 7,900,931.70 and 4,679,422.20

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Solution

The fourth proportional to 5,267,287.80, 7,900,931.70 and 4,679,422.20 is: 7,019,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267,287.80 : 7,900,931.70 = 4,679,422.20 : x
  2. Step 2: Convert to fraction form
    5,267,287.80/7,900,931.70 = 4,679,422.20/x
  3. Step 3: Cross multiply
    5,267,287.80x = 7,900,931.70 × 4,679,422.20
  4. Step 4: Simplify right side
    5,267,287.80x = 36,971,795,197,663.74
  5. Step 5: Solve for x
    x = 36,971,795,197,663.74/5,267,287.80
  6. Step 6: Final answer
    x = 7,019,133.30

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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.