Home / 2,752,912.65-4,129,368.98-859,845.45

Finding the Fourth Proportional to 2,752,912.65, 4,129,368.98 and 859,845.45

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Solution

The fourth proportional to 2,752,912.65, 4,129,368.98 and 859,845.45 is: 1,289,768.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,912.65 : 4,129,368.98 = 859,845.45 : x
  2. Step 2: Convert to fraction form
    2,752,912.65/4,129,368.98 = 859,845.45/x
  3. Step 3: Cross multiply
    2,752,912.65x = 4,129,368.98 × 859,845.45
  4. Step 4: Simplify right side
    2,752,912.65x = 3,550,619,124,524.91
  5. Step 5: Solve for x
    x = 3,550,619,124,524.91/2,752,912.65
  6. Step 6: Final answer
    x = 1,289,768.18

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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.