Home / 2,120,895.84-3,181,343.76-773,159.52

Finding the Fourth Proportional to 2,120,895.84, 3,181,343.76 and 773,159.52

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Solution

The fourth proportional to 2,120,895.84, 3,181,343.76 and 773,159.52 is: 1,159,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,895.84 : 3,181,343.76 = 773,159.52 : x
  2. Step 2: Convert to fraction form
    2,120,895.84/3,181,343.76 = 773,159.52/x
  3. Step 3: Cross multiply
    2,120,895.84x = 3,181,343.76 × 773,159.52
  4. Step 4: Simplify right side
    2,120,895.84x = 2,459,686,214,436.60
  5. Step 5: Solve for x
    x = 2,459,686,214,436.60/2,120,895.84
  6. Step 6: Final answer
    x = 1,159,739.28

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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.