Home / 1,941,515.40-2,913,147.90-930,246.60

Finding the Fourth Proportional to 1,941,515.40, 2,913,147.90 and 930,246.60

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Solution

The fourth proportional to 1,941,515.40, 2,913,147.90 and 930,246.60 is: 1,395,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941,515.40 : 2,913,147.90 = 930,246.60 : x
  2. Step 2: Convert to fraction form
    1,941,515.40/2,913,147.90 = 930,246.60/x
  3. Step 3: Cross multiply
    1,941,515.40x = 2,913,147.90 × 930,246.60
  4. Step 4: Simplify right side
    1,941,515.40x = 2,709,945,929,272.14
  5. Step 5: Solve for x
    x = 2,709,945,929,272.14/1,941,515.40
  6. Step 6: Final answer
    x = 1,395,789.05

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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.