Home / 1,689,828-2,331,180.97-1,496,432.80

Finding the Fourth Proportional to 1,689,828, 2,331,180.97 and 1,496,432.80

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Solution

The fourth proportional to 1,689,828, 2,331,180.97 and 1,496,432.80 is: 2,064,385.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,828 : 2,331,180.97 = 1,496,432.80 : x
  2. Step 2: Convert to fraction form
    1,689,828/2,331,180.97 = 1,496,432.80/x
  3. Step 3: Cross multiply
    1,689,828x = 2,331,180.97 × 1,496,432.80
  4. Step 4: Simplify right side
    1,689,828x = 3,488,455,666,243.82
  5. Step 5: Solve for x
    x = 3,488,455,666,243.82/1,689,828
  6. Step 6: Final answer
    x = 2,064,385.05

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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.