Home / 1,425,839.32-2,133,443.76-1,409,895.28

Finding the Fourth Proportional to 1,425,839.32, 2,133,443.76 and 1,409,895.28

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Solution

The fourth proportional to 1,425,839.32, 2,133,443.76 and 1,409,895.28 is: 2,109,587.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,839.32 : 2,133,443.76 = 1,409,895.28 : x
  2. Step 2: Convert to fraction form
    1,425,839.32/2,133,443.76 = 1,409,895.28/x
  3. Step 3: Cross multiply
    1,425,839.32x = 2,133,443.76 × 1,409,895.28
  4. Step 4: Simplify right side
    1,425,839.32x = 3,007,932,287,369.45
  5. Step 5: Solve for x
    x = 3,007,932,287,369.45/1,425,839.32
  6. Step 6: Final answer
    x = 2,109,587.14

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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.