Home / 2,536,820.26-3,500,785.29-1,390,897.78

Finding the Fourth Proportional to 2,536,820.26, 3,500,785.29 and 1,390,897.78

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Solution

The fourth proportional to 2,536,820.26, 3,500,785.29 and 1,390,897.78 is: 1,919,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,536,820.26 : 3,500,785.29 = 1,390,897.78 : x
  2. Step 2: Convert to fraction form
    2,536,820.26/3,500,785.29 = 1,390,897.78/x
  3. Step 3: Cross multiply
    2,536,820.26x = 3,500,785.29 × 1,390,897.78
  4. Step 4: Simplify right side
    2,536,820.26x = 4,869,234,488,117.66
  5. Step 5: Solve for x
    x = 4,869,234,488,117.66/2,536,820.26
  6. Step 6: Final answer
    x = 1,919,424.31

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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.