Home / 5,430,481.10-8,145,721.65-1,644,152.30

Finding the Fourth Proportional to 5,430,481.10, 8,145,721.65 and 1,644,152.30

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Solution

The fourth proportional to 5,430,481.10, 8,145,721.65 and 1,644,152.30 is: 2,466,228.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,430,481.10 : 8,145,721.65 = 1,644,152.30 : x
  2. Step 2: Convert to fraction form
    5,430,481.10/8,145,721.65 = 1,644,152.30/x
  3. Step 3: Cross multiply
    5,430,481.10x = 8,145,721.65 × 1,644,152.30
  4. Step 4: Simplify right side
    5,430,481.10x = 13,392,806,986,007.30
  5. Step 5: Solve for x
    x = 13,392,806,986,007.30/5,430,481.10
  6. Step 6: Final answer
    x = 2,466,228.45

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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.