Home / 2,785,418.09-4,178,127.14-1,838,567.38

Finding the Fourth Proportional to 2,785,418.09, 4,178,127.14 and 1,838,567.38

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Solution

The fourth proportional to 2,785,418.09, 4,178,127.14 and 1,838,567.38 is: 2,757,851.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,785,418.09 : 4,178,127.14 = 1,838,567.38 : x
  2. Step 2: Convert to fraction form
    2,785,418.09/4,178,127.14 = 1,838,567.38/x
  3. Step 3: Cross multiply
    2,785,418.09x = 4,178,127.14 × 1,838,567.38
  4. Step 4: Simplify right side
    2,785,418.09x = 7,681,768,239,013.22
  5. Step 5: Solve for x
    x = 7,681,768,239,013.22/2,785,418.09
  6. Step 6: Final answer
    x = 2,757,851.06

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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.