Home / 2,074,220.40-3,111,330.60-1,356,775.05

Finding the Fourth Proportional to 2,074,220.40, 3,111,330.60 and 1,356,775.05

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Solution

The fourth proportional to 2,074,220.40, 3,111,330.60 and 1,356,775.05 is: 2,035,162.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,074,220.40 : 3,111,330.60 = 1,356,775.05 : x
  2. Step 2: Convert to fraction form
    2,074,220.40/3,111,330.60 = 1,356,775.05/x
  3. Step 3: Cross multiply
    2,074,220.40x = 3,111,330.60 × 1,356,775.05
  4. Step 4: Simplify right side
    2,074,220.40x = 4,221,375,730,381.53
  5. Step 5: Solve for x
    x = 4,221,375,730,381.53/2,074,220.40
  6. Step 6: Final answer
    x = 2,035,162.58

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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.