Home / 2,134,471.89-3,196,577.63-1,220,884.70

Finding the Fourth Proportional to 2,134,471.89, 3,196,577.63 and 1,220,884.70

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Solution

The fourth proportional to 2,134,471.89, 3,196,577.63 and 1,220,884.70 is: 1,828,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134,471.89 : 3,196,577.63 = 1,220,884.70 : x
  2. Step 2: Convert to fraction form
    2,134,471.89/3,196,577.63 = 1,220,884.70/x
  3. Step 3: Cross multiply
    2,134,471.89x = 3,196,577.63 × 1,220,884.70
  4. Step 4: Simplify right side
    2,134,471.89x = 3,902,652,720,829.26
  5. Step 5: Solve for x
    x = 3,902,652,720,829.26/2,134,471.89
  6. Step 6: Final answer
    x = 1,828,392.65

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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.