Home / 1,954,816.42-2,696,047.28-1,375,955.80

Finding the Fourth Proportional to 1,954,816.42, 2,696,047.28 and 1,375,955.80

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Solution

The fourth proportional to 1,954,816.42, 2,696,047.28 and 1,375,955.80 is: 1,897,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,954,816.42 : 2,696,047.28 = 1,375,955.80 : x
  2. Step 2: Convert to fraction form
    1,954,816.42/2,696,047.28 = 1,375,955.80/x
  3. Step 3: Cross multiply
    1,954,816.42x = 2,696,047.28 × 1,375,955.80
  4. Step 4: Simplify right side
    1,954,816.42x = 3,709,641,891,990.22
  5. Step 5: Solve for x
    x = 3,709,641,891,990.22/1,954,816.42
  6. Step 6: Final answer
    x = 1,897,693.23

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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.