Home / 2,121,877.04-2,928,227.64-1,155,035.12

Finding the Fourth Proportional to 2,121,877.04, 2,928,227.64 and 1,155,035.12

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Solution

The fourth proportional to 2,121,877.04, 2,928,227.64 and 1,155,035.12 is: 1,593,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,121,877.04 : 2,928,227.64 = 1,155,035.12 : x
  2. Step 2: Convert to fraction form
    2,121,877.04/2,928,227.64 = 1,155,035.12/x
  3. Step 3: Cross multiply
    2,121,877.04x = 2,928,227.64 × 1,155,035.12
  4. Step 4: Simplify right side
    2,121,877.04x = 3,382,205,763,554.72
  5. Step 5: Solve for x
    x = 3,382,205,763,554.72/2,121,877.04
  6. Step 6: Final answer
    x = 1,593,968.78

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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.