Home / 1,851,834.36-2,554,964.52-1,207,019.28

Finding the Fourth Proportional to 1,851,834.36, 2,554,964.52 and 1,207,019.28

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Solution

The fourth proportional to 1,851,834.36, 2,554,964.52 and 1,207,019.28 is: 1,665,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,834.36 : 2,554,964.52 = 1,207,019.28 : x
  2. Step 2: Convert to fraction form
    1,851,834.36/2,554,964.52 = 1,207,019.28/x
  3. Step 3: Cross multiply
    1,851,834.36x = 2,554,964.52 × 1,207,019.28
  4. Step 4: Simplify right side
    1,851,834.36x = 3,083,891,435,355.95
  5. Step 5: Solve for x
    x = 3,083,891,435,355.95/1,851,834.36
  6. Step 6: Final answer
    x = 1,665,317.11

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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.