Home / 3,219,563.60-4,829,345.40-2,155,806.80

Finding the Fourth Proportional to 3,219,563.60, 4,829,345.40 and 2,155,806.80

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Solution

The fourth proportional to 3,219,563.60, 4,829,345.40 and 2,155,806.80 is: 3,233,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219,563.60 : 4,829,345.40 = 2,155,806.80 : x
  2. Step 2: Convert to fraction form
    3,219,563.60/4,829,345.40 = 2,155,806.80/x
  3. Step 3: Cross multiply
    3,219,563.60x = 4,829,345.40 × 2,155,806.80
  4. Step 4: Simplify right side
    3,219,563.60x = 10,411,135,652,868.72
  5. Step 5: Solve for x
    x = 10,411,135,652,868.72/3,219,563.60
  6. Step 6: Final answer
    x = 3,233,710.20

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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.