Home / 2,666,918.60-3,680,356.94-1,443,223.81

Finding the Fourth Proportional to 2,666,918.60, 3,680,356.94 and 1,443,223.81

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Solution

The fourth proportional to 2,666,918.60, 3,680,356.94 and 1,443,223.81 is: 1,991,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,918.60 : 3,680,356.94 = 1,443,223.81 : x
  2. Step 2: Convert to fraction form
    2,666,918.60/3,680,356.94 = 1,443,223.81/x
  3. Step 3: Cross multiply
    2,666,918.60x = 3,680,356.94 × 1,443,223.81
  4. Step 4: Simplify right side
    2,666,918.60x = 5,311,578,765,106.74
  5. Step 5: Solve for x
    x = 5,311,578,765,106.74/2,666,918.60
  6. Step 6: Final answer
    x = 1,991,653.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.