Home / 3,426,920.40-5,138,825.40-1,296,296.40

Finding the Fourth Proportional to 3,426,920.40, 5,138,825.40 and 1,296,296.40

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Solution

The fourth proportional to 3,426,920.40, 5,138,825.40 and 1,296,296.40 is: 1,943,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426,920.40 : 5,138,825.40 = 1,296,296.40 : x
  2. Step 2: Convert to fraction form
    3,426,920.40/5,138,825.40 = 1,296,296.40/x
  3. Step 3: Cross multiply
    3,426,920.40x = 5,138,825.40 × 1,296,296.40
  4. Step 4: Simplify right side
    3,426,920.40x = 6,661,440,866,248.56
  5. Step 5: Solve for x
    x = 6,661,440,866,248.56/3,426,920.40
  6. Step 6: Final answer
    x = 1,943,856.32

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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.