Home / 2,545,554.10-3,512,864.01-1,399,708.66

Finding the Fourth Proportional to 2,545,554.10, 3,512,864.01 and 1,399,708.66

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Solution

The fourth proportional to 2,545,554.10, 3,512,864.01 and 1,399,708.66 is: 1,931,597.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,554.10 : 3,512,864.01 = 1,399,708.66 : x
  2. Step 2: Convert to fraction form
    2,545,554.10/3,512,864.01 = 1,399,708.66/x
  3. Step 3: Cross multiply
    2,545,554.10x = 3,512,864.01 × 1,399,708.66
  4. Step 4: Simplify right side
    2,545,554.10x = 4,916,986,176,199.33
  5. Step 5: Solve for x
    x = 4,916,986,176,199.33/2,545,554.10
  6. Step 6: Final answer
    x = 1,931,597.59

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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.