Home / 2,545,897.68-3,513,429-1,400,065.20

Finding the Fourth Proportional to 2,545,897.68, 3,513,429 and 1,400,065.20

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Solution

The fourth proportional to 2,545,897.68, 3,513,429 and 1,400,065.20 is: 1,932,139.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,545,897.68 : 3,513,429 = 1,400,065.20 : x
  2. Step 2: Convert to fraction form
    2,545,897.68/3,513,429 = 1,400,065.20/x
  3. Step 3: Cross multiply
    2,545,897.68x = 3,513,429 × 1,400,065.20
  4. Step 4: Simplify right side
    2,545,897.68x = 4,919,029,675,570.80
  5. Step 5: Solve for x
    x = 4,919,029,675,570.80/2,545,897.68
  6. Step 6: Final answer
    x = 1,932,139.58

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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.