Home / 2,674,374.21-4,012,151.90-991,477.71

Finding the Fourth Proportional to 2,674,374.21, 4,012,151.90 and 991,477.71

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Solution

The fourth proportional to 2,674,374.21, 4,012,151.90 and 991,477.71 is: 1,487,435.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674,374.21 : 4,012,151.90 = 991,477.71 : x
  2. Step 2: Convert to fraction form
    2,674,374.21/4,012,151.90 = 991,477.71/x
  3. Step 3: Cross multiply
    2,674,374.21x = 4,012,151.90 × 991,477.71
  4. Step 4: Simplify right side
    2,674,374.21x = 3,977,959,177,984.15
  5. Step 5: Solve for x
    x = 3,977,959,177,984.15/2,674,374.21
  6. Step 6: Final answer
    x = 1,487,435.51

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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.