Home / 2,589,803.20-3,885,148.80-792,642.16

Finding the Fourth Proportional to 2,589,803.20, 3,885,148.80 and 792,642.16

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Solution

The fourth proportional to 2,589,803.20, 3,885,148.80 and 792,642.16 is: 1,189,099.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,589,803.20 : 3,885,148.80 = 792,642.16 : x
  2. Step 2: Convert to fraction form
    2,589,803.20/3,885,148.80 = 792,642.16/x
  3. Step 3: Cross multiply
    2,589,803.20x = 3,885,148.80 × 792,642.16
  4. Step 4: Simplify right side
    2,589,803.20x = 3,079,532,736,753.41
  5. Step 5: Solve for x
    x = 3,079,532,736,753.41/2,589,803.20
  6. Step 6: Final answer
    x = 1,189,099.13

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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.