Home / 2,208,342.20-3,312,508.23-692,140.66

Finding the Fourth Proportional to 2,208,342.20, 3,312,508.23 and 692,140.66

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Solution

The fourth proportional to 2,208,342.20, 3,312,508.23 and 692,140.66 is: 1,038,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,208,342.20 : 3,312,508.23 = 692,140.66 : x
  2. Step 2: Convert to fraction form
    2,208,342.20/3,312,508.23 = 692,140.66/x
  3. Step 3: Cross multiply
    2,208,342.20x = 3,312,508.23 × 692,140.66
  4. Step 4: Simplify right side
    2,208,342.20x = 2,292,721,624,286.36
  5. Step 5: Solve for x
    x = 2,292,721,624,286.36/2,208,342.20
  6. Step 6: Final answer
    x = 1,038,209.40

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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.