Home / 2,836,712-3,914,662.56-1,818,117.20

Finding the Fourth Proportional to 2,836,712, 3,914,662.56 and 1,818,117.20

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Solution

The fourth proportional to 2,836,712, 3,914,662.56 and 1,818,117.20 is: 2,509,001.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,836,712 : 3,914,662.56 = 1,818,117.20 : x
  2. Step 2: Convert to fraction form
    2,836,712/3,914,662.56 = 1,818,117.20/x
  3. Step 3: Cross multiply
    2,836,712x = 3,914,662.56 × 1,818,117.20
  4. Step 4: Simplify right side
    2,836,712x = 7,117,315,332,532.03
  5. Step 5: Solve for x
    x = 7,117,315,332,532.03/2,836,712
  6. Step 6: Final answer
    x = 2,509,001.74

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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.