Home / 2,643,761.50-3,648,400.14-1,664,348.51

Finding the Fourth Proportional to 2,643,761.50, 3,648,400.14 and 1,664,348.51

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Solution

The fourth proportional to 2,643,761.50, 3,648,400.14 and 1,664,348.51 is: 2,296,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,761.50 : 3,648,400.14 = 1,664,348.51 : x
  2. Step 2: Convert to fraction form
    2,643,761.50/3,648,400.14 = 1,664,348.51/x
  3. Step 3: Cross multiply
    2,643,761.50x = 3,648,400.14 × 1,664,348.51
  4. Step 4: Simplify right side
    2,643,761.50x = 6,072,209,352,255.10
  5. Step 5: Solve for x
    x = 6,072,209,352,255.10/2,643,761.50
  6. Step 6: Final answer
    x = 2,296,806.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.