Home / 1,561,401.84-2,155,955.76-1,198,250.49

Finding the Fourth Proportional to 1,561,401.84, 2,155,955.76 and 1,198,250.49

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Solution

The fourth proportional to 1,561,401.84, 2,155,955.76 and 1,198,250.49 is: 1,654,522.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,401.84 : 2,155,955.76 = 1,198,250.49 : x
  2. Step 2: Convert to fraction form
    1,561,401.84/2,155,955.76 = 1,198,250.49/x
  3. Step 3: Cross multiply
    1,561,401.84x = 2,155,955.76 × 1,198,250.49
  4. Step 4: Simplify right side
    1,561,401.84x = 2,583,375,045,838.32
  5. Step 5: Solve for x
    x = 2,583,375,045,838.32/1,561,401.84
  6. Step 6: Final answer
    x = 1,654,522.87

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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.