Home / 4,378,541.40-6,561,907.20-2,935,121.40

Finding the Fourth Proportional to 4,378,541.40, 6,561,907.20 and 2,935,121.40

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Solution

The fourth proportional to 4,378,541.40, 6,561,907.20 and 2,935,121.40 is: 4,398,723.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378,541.40 : 6,561,907.20 = 2,935,121.40 : x
  2. Step 2: Convert to fraction form
    4,378,541.40/6,561,907.20 = 2,935,121.40/x
  3. Step 3: Cross multiply
    4,378,541.40x = 6,561,907.20 × 2,935,121.40
  4. Step 4: Simplify right side
    4,378,541.40x = 19,259,994,247,534.08
  5. Step 5: Solve for x
    x = 19,259,994,247,534.08/4,378,541.40
  6. Step 6: Final answer
    x = 4,398,723.80

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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.