Home / 5,126,428.80-7,690,334.40-1,761,667.20

Finding the Fourth Proportional to 5,126,428.80, 7,690,334.40 and 1,761,667.20

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Solution

The fourth proportional to 5,126,428.80, 7,690,334.40 and 1,761,667.20 is: 2,642,738.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126,428.80 : 7,690,334.40 = 1,761,667.20 : x
  2. Step 2: Convert to fraction form
    5,126,428.80/7,690,334.40 = 1,761,667.20/x
  3. Step 3: Cross multiply
    5,126,428.80x = 7,690,334.40 × 1,761,667.20
  4. Step 4: Simplify right side
    5,126,428.80x = 13,547,809,869,511.68
  5. Step 5: Solve for x
    x = 13,547,809,869,511.68/5,126,428.80
  6. Step 6: Final answer
    x = 2,642,738.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.