Home / 2,986,063.28-4,479,867.12-856,303.28

Finding the Fourth Proportional to 2,986,063.28, 4,479,867.12 and 856,303.28

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Solution

The fourth proportional to 2,986,063.28, 4,479,867.12 and 856,303.28 is: 1,284,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,063.28 : 4,479,867.12 = 856,303.28 : x
  2. Step 2: Convert to fraction form
    2,986,063.28/4,479,867.12 = 856,303.28/x
  3. Step 3: Cross multiply
    2,986,063.28x = 4,479,867.12 × 856,303.28
  4. Step 4: Simplify right side
    2,986,063.28x = 3,836,124,908,820.15
  5. Step 5: Solve for x
    x = 3,836,124,908,820.15/2,986,063.28
  6. Step 6: Final answer
    x = 1,284,676.36

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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.