Home / 5,394,989.40-7,444,998.21-2,947,547.76

Finding the Fourth Proportional to 5,394,989.40, 7,444,998.21 and 2,947,547.76

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Solution

The fourth proportional to 5,394,989.40, 7,444,998.21 and 2,947,547.76 is: 4,067,568.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394,989.40 : 7,444,998.21 = 2,947,547.76 : x
  2. Step 2: Convert to fraction form
    5,394,989.40/7,444,998.21 = 2,947,547.76/x
  3. Step 3: Cross multiply
    5,394,989.40x = 7,444,998.21 × 2,947,547.76
  4. Step 4: Simplify right side
    5,394,989.40x = 21,944,487,797,089.51
  5. Step 5: Solve for x
    x = 21,944,487,797,089.51/5,394,989.40
  6. Step 6: Final answer
    x = 4,067,568.29

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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.