Home / 1,655,235-2,468,367.68-1,640,100.96

Finding the Fourth Proportional to 1,655,235, 2,468,367.68 and 1,640,100.96

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Solution

The fourth proportional to 1,655,235, 2,468,367.68 and 1,640,100.96 is: 2,445,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,655,235 : 2,468,367.68 = 1,640,100.96 : x
  2. Step 2: Convert to fraction form
    1,655,235/2,468,367.68 = 1,640,100.96/x
  3. Step 3: Cross multiply
    1,655,235x = 2,468,367.68 × 1,640,100.96
  4. Step 4: Simplify right side
    1,655,235x = 4,048,372,193,400.47
  5. Step 5: Solve for x
    x = 4,048,372,193,400.47/1,655,235
  6. Step 6: Final answer
    x = 2,445,799.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.