Home / 2,820,079-3,891,713.88-1,612,855

Finding the Fourth Proportional to 2,820,079, 3,891,713.88 and 1,612,855

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Solution

The fourth proportional to 2,820,079, 3,891,713.88 and 1,612,855 is: 2,225,742.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,079 : 3,891,713.88 = 1,612,855 : x
  2. Step 2: Convert to fraction form
    2,820,079/3,891,713.88 = 1,612,855/x
  3. Step 3: Cross multiply
    2,820,079x = 3,891,713.88 × 1,612,855
  4. Step 4: Simplify right side
    2,820,079x = 6,276,770,189,927.40
  5. Step 5: Solve for x
    x = 6,276,770,189,927.40/2,820,079
  6. Step 6: Final answer
    x = 2,225,742.68

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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.