Home / 5,320,470.40-7,975,262.40-2,620,643.20

Finding the Fourth Proportional to 5,320,470.40, 7,975,262.40 and 2,620,643.20

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Solution

The fourth proportional to 5,320,470.40, 7,975,262.40 and 2,620,643.20 is: 3,928,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320,470.40 : 7,975,262.40 = 2,620,643.20 : x
  2. Step 2: Convert to fraction form
    5,320,470.40/7,975,262.40 = 2,620,643.20/x
  3. Step 3: Cross multiply
    5,320,470.40x = 7,975,262.40 × 2,620,643.20
  4. Step 4: Simplify right side
    5,320,470.40x = 20,900,317,176,775.68
  5. Step 5: Solve for x
    x = 20,900,317,176,775.68/5,320,470.40
  6. Step 6: Final answer
    x = 3,928,283.71

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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.