Home / 3,209,432.44-4,814,428.86-813,277.16

Finding the Fourth Proportional to 3,209,432.44, 4,814,428.86 and 813,277.16

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Solution

The fourth proportional to 3,209,432.44, 4,814,428.86 and 813,277.16 is: 1,219,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209,432.44 : 4,814,428.86 = 813,277.16 : x
  2. Step 2: Convert to fraction form
    3,209,432.44/4,814,428.86 = 813,277.16/x
  3. Step 3: Cross multiply
    3,209,432.44x = 4,814,428.86 × 813,277.16
  4. Step 4: Simplify right side
    3,209,432.44x = 3,915,465,030,282.84
  5. Step 5: Solve for x
    x = 3,915,465,030,282.84/3,209,432.44
  6. Step 6: Final answer
    x = 1,219,986.74

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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.