Home / 2,788,259.84-4,182,057.28-766,709.12

Finding the Fourth Proportional to 2,788,259.84, 4,182,057.28 and 766,709.12

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Solution

The fourth proportional to 2,788,259.84, 4,182,057.28 and 766,709.12 is: 1,149,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,788,259.84 : 4,182,057.28 = 766,709.12 : x
  2. Step 2: Convert to fraction form
    2,788,259.84/4,182,057.28 = 766,709.12/x
  3. Step 3: Cross multiply
    2,788,259.84x = 4,182,057.28 × 766,709.12
  4. Step 4: Simplify right side
    2,788,259.84x = 3,206,421,456,938.39
  5. Step 5: Solve for x
    x = 3,206,421,456,938.39/2,788,259.84
  6. Step 6: Final answer
    x = 1,149,972.26

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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.