Home / 2,610,839.21-3,915,594.35-813,387.65

Finding the Fourth Proportional to 2,610,839.21, 3,915,594.35 and 813,387.65

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Solution

The fourth proportional to 2,610,839.21, 3,915,594.35 and 813,387.65 is: 1,219,874.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610,839.21 : 3,915,594.35 = 813,387.65 : x
  2. Step 2: Convert to fraction form
    2,610,839.21/3,915,594.35 = 813,387.65/x
  3. Step 3: Cross multiply
    2,610,839.21x = 3,915,594.35 × 813,387.65
  4. Step 4: Simplify right side
    2,610,839.21x = 3,184,896,082,632.84
  5. Step 5: Solve for x
    x = 3,184,896,082,632.84/2,610,839.21
  6. Step 6: Final answer
    x = 1,219,874.46

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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.