Home / 3,532,993.60-5,299,490.40-1,290,006.40

Finding the Fourth Proportional to 3,532,993.60, 5,299,490.40 and 1,290,006.40

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Solution

The fourth proportional to 3,532,993.60, 5,299,490.40 and 1,290,006.40 is: 1,935,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,532,993.60 : 5,299,490.40 = 1,290,006.40 : x
  2. Step 2: Convert to fraction form
    3,532,993.60/5,299,490.40 = 1,290,006.40/x
  3. Step 3: Cross multiply
    3,532,993.60x = 5,299,490.40 × 1,290,006.40
  4. Step 4: Simplify right side
    3,532,993.60x = 6,836,376,532,738.56
  5. Step 5: Solve for x
    x = 6,836,376,532,738.56/3,532,993.60
  6. Step 6: Final answer
    x = 1,935,009.60

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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.