Home / 1,477,987.12-2,216,981.82-356,057.20

Finding the Fourth Proportional to 1,477,987.12, 2,216,981.82 and 356,057.20

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Solution

The fourth proportional to 1,477,987.12, 2,216,981.82 and 356,057.20 is: 534,086.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477,987.12 : 2,216,981.82 = 356,057.20 : x
  2. Step 2: Convert to fraction form
    1,477,987.12/2,216,981.82 = 356,057.20/x
  3. Step 3: Cross multiply
    1,477,987.12x = 2,216,981.82 × 356,057.20
  4. Step 4: Simplify right side
    1,477,987.12x = 789,372,339,280.10
  5. Step 5: Solve for x
    x = 789,372,339,280.10/1,477,987.12
  6. Step 6: Final answer
    x = 534,086.07

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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.