Home / 2,161,378.88-2,982,706.40-1,194,508.88

Finding the Fourth Proportional to 2,161,378.88, 2,982,706.40 and 1,194,508.88

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Solution

The fourth proportional to 2,161,378.88, 2,982,706.40 and 1,194,508.88 is: 1,648,424.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161,378.88 : 2,982,706.40 = 1,194,508.88 : x
  2. Step 2: Convert to fraction form
    2,161,378.88/2,982,706.40 = 1,194,508.88/x
  3. Step 3: Cross multiply
    2,161,378.88x = 2,982,706.40 × 1,194,508.88
  4. Step 4: Simplify right side
    2,161,378.88x = 3,562,869,281,232.83
  5. Step 5: Solve for x
    x = 3,562,869,281,232.83/2,161,378.88
  6. Step 6: Final answer
    x = 1,648,424.21

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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.