Home / 3,213,288.40-4,817,167.80-1,637,352.40

Finding the Fourth Proportional to 3,213,288.40, 4,817,167.80 and 1,637,352.40

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Solution

The fourth proportional to 3,213,288.40, 4,817,167.80 and 1,637,352.40 is: 2,454,619.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,213,288.40 : 4,817,167.80 = 1,637,352.40 : x
  2. Step 2: Convert to fraction form
    3,213,288.40/4,817,167.80 = 1,637,352.40/x
  3. Step 3: Cross multiply
    3,213,288.40x = 4,817,167.80 × 1,637,352.40
  4. Step 4: Simplify right side
    3,213,288.40x = 7,887,401,258,532.72
  5. Step 5: Solve for x
    x = 7,887,401,258,532.72/3,213,288.40
  6. Step 6: Final answer
    x = 2,454,619.78

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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.