Home / 5,425,942.20-8,138,913.30-1,640,009.40

Finding the Fourth Proportional to 5,425,942.20, 8,138,913.30 and 1,640,009.40

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Solution

The fourth proportional to 5,425,942.20, 8,138,913.30 and 1,640,009.40 is: 2,460,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425,942.20 : 8,138,913.30 = 1,640,009.40 : x
  2. Step 2: Convert to fraction form
    5,425,942.20/8,138,913.30 = 1,640,009.40/x
  3. Step 3: Cross multiply
    5,425,942.20x = 8,138,913.30 × 1,640,009.40
  4. Step 4: Simplify right side
    5,425,942.20x = 13,347,894,317,785.02
  5. Step 5: Solve for x
    x = 13,347,894,317,785.02/5,425,942.20
  6. Step 6: Final answer
    x = 2,460,014.10

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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.