Home / 2,278,389.25-3,143,030.79-1,503,203.01

Finding the Fourth Proportional to 2,278,389.25, 3,143,030.79 and 1,503,203.01

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Solution

The fourth proportional to 2,278,389.25, 3,143,030.79 and 1,503,203.01 is: 2,073,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,389.25 : 3,143,030.79 = 1,503,203.01 : x
  2. Step 2: Convert to fraction form
    2,278,389.25/3,143,030.79 = 1,503,203.01/x
  3. Step 3: Cross multiply
    2,278,389.25x = 3,143,030.79 × 1,503,203.01
  4. Step 4: Simplify right side
    2,278,389.25x = 4,724,613,344,050.68
  5. Step 5: Solve for x
    x = 4,724,613,344,050.68/2,278,389.25
  6. Step 6: Final answer
    x = 2,073,663.81

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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.