Home / 6,805,549.28-9,391,870.68-3,905,470.64

Finding the Fourth Proportional to 6,805,549.28, 9,391,870.68 and 3,905,470.64

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Solution

The fourth proportional to 6,805,549.28, 9,391,870.68 and 3,905,470.64 is: 5,389,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805,549.28 : 9,391,870.68 = 3,905,470.64 : x
  2. Step 2: Convert to fraction form
    6,805,549.28/9,391,870.68 = 3,905,470.64/x
  3. Step 3: Cross multiply
    6,805,549.28x = 9,391,870.68 × 3,905,470.64
  4. Step 4: Simplify right side
    6,805,549.28x = 36,679,675,195,416.84
  5. Step 5: Solve for x
    x = 36,679,675,195,416.84/6,805,549.28
  6. Step 6: Final answer
    x = 5,389,671.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.