Home / 3,116,687.40-4,675,176.90-986,938.20

Finding the Fourth Proportional to 3,116,687.40, 4,675,176.90 and 986,938.20

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Solution

The fourth proportional to 3,116,687.40, 4,675,176.90 and 986,938.20 is: 1,480,453.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116,687.40 : 4,675,176.90 = 986,938.20 : x
  2. Step 2: Convert to fraction form
    3,116,687.40/4,675,176.90 = 986,938.20/x
  3. Step 3: Cross multiply
    3,116,687.40x = 4,675,176.90 × 986,938.20
  4. Step 4: Simplify right side
    3,116,687.40x = 4,614,110,674,367.58
  5. Step 5: Solve for x
    x = 4,614,110,674,367.58/3,116,687.40
  6. Step 6: Final answer
    x = 1,480,453.47

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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.