Home / 2,143,689.08-3,213,087.51-863,476.69

Finding the Fourth Proportional to 2,143,689.08, 3,213,087.51 and 863,476.69

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Solution

The fourth proportional to 2,143,689.08, 3,213,087.51 and 863,476.69 is: 1,294,229.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143,689.08 : 3,213,087.51 = 863,476.69 : x
  2. Step 2: Convert to fraction form
    2,143,689.08/3,213,087.51 = 863,476.69/x
  3. Step 3: Cross multiply
    2,143,689.08x = 3,213,087.51 × 863,476.69
  4. Step 4: Simplify right side
    2,143,689.08x = 2,774,426,151,749.70
  5. Step 5: Solve for x
    x = 2,774,426,151,749.70/2,143,689.08
  6. Step 6: Final answer
    x = 1,294,229.74

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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.