Home / 5,781,128.40-8,662,685.40-2,184,933.60

Finding the Fourth Proportional to 5,781,128.40, 8,662,685.40 and 2,184,933.60

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Solution

The fourth proportional to 5,781,128.40, 8,662,685.40 and 2,184,933.60 is: 3,273,996.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781,128.40 : 8,662,685.40 = 2,184,933.60 : x
  2. Step 2: Convert to fraction form
    5,781,128.40/8,662,685.40 = 2,184,933.60/x
  3. Step 3: Cross multiply
    5,781,128.40x = 8,662,685.40 × 2,184,933.60
  4. Step 4: Simplify right side
    5,781,128.40x = 18,927,392,396,689.44
  5. Step 5: Solve for x
    x = 18,927,392,396,689.44/5,781,128.40
  6. Step 6: Final answer
    x = 3,273,996.20

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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.