Home / 2,836,711-3,914,661.18-1,818,116.20

Finding the Fourth Proportional to 2,836,711, 3,914,661.18 and 1,818,116.20

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Solution

The fourth proportional to 2,836,711, 3,914,661.18 and 1,818,116.20 is: 2,509,000.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836,711 : 3,914,661.18 = 1,818,116.20 : x
  2. Step 2: Convert to fraction form
    2,836,711/3,914,661.18 = 1,818,116.20/x
  3. Step 3: Cross multiply
    2,836,711x = 3,914,661.18 × 1,818,116.20
  4. Step 4: Simplify right side
    2,836,711x = 7,117,308,908,869.12
  5. Step 5: Solve for x
    x = 7,117,308,908,869.12/2,836,711
  6. Step 6: Final answer
    x = 2,509,000.36

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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.