Home / 1,927,986.36-2,660,013.18-1,112,080.65

Finding the Fourth Proportional to 1,927,986.36, 2,660,013.18 and 1,112,080.65

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Solution

The fourth proportional to 1,927,986.36, 2,660,013.18 and 1,112,080.65 is: 1,534,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927,986.36 : 2,660,013.18 = 1,112,080.65 : x
  2. Step 2: Convert to fraction form
    1,927,986.36/2,660,013.18 = 1,112,080.65/x
  3. Step 3: Cross multiply
    1,927,986.36x = 2,660,013.18 × 1,112,080.65
  4. Step 4: Simplify right side
    1,927,986.36x = 2,958,149,186,222.97
  5. Step 5: Solve for x
    x = 2,958,149,186,222.97/1,927,986.36
  6. Step 6: Final answer
    x = 1,534,320.60

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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.