Home / 1,947,274.28-2,921,243.56-868,178.40

Finding the Fourth Proportional to 1,947,274.28, 2,921,243.56 and 868,178.40

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Solution

The fourth proportional to 1,947,274.28, 2,921,243.56 and 868,178.40 is: 1,302,415.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,274.28 : 2,921,243.56 = 868,178.40 : x
  2. Step 2: Convert to fraction form
    1,947,274.28/2,921,243.56 = 868,178.40/x
  3. Step 3: Cross multiply
    1,947,274.28x = 2,921,243.56 × 868,178.40
  4. Step 4: Simplify right side
    1,947,274.28x = 2,536,160,559,931.10
  5. Step 5: Solve for x
    x = 2,536,160,559,931.10/1,947,274.28
  6. Step 6: Final answer
    x = 1,302,415.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.