Home / 2,050,972.70-2,830,412.31-1,287,447.26

Finding the Fourth Proportional to 2,050,972.70, 2,830,412.31 and 1,287,447.26

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Solution

The fourth proportional to 2,050,972.70, 2,830,412.31 and 1,287,447.26 is: 1,776,721.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050,972.70 : 2,830,412.31 = 1,287,447.26 : x
  2. Step 2: Convert to fraction form
    2,050,972.70/2,830,412.31 = 1,287,447.26/x
  3. Step 3: Cross multiply
    2,050,972.70x = 2,830,412.31 × 1,287,447.26
  4. Step 4: Simplify right side
    2,050,972.70x = 3,644,006,573,179.77
  5. Step 5: Solve for x
    x = 3,644,006,573,179.77/2,050,972.70
  6. Step 6: Final answer
    x = 1,776,721.15

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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.