Home / 2,104,903.20-3,155,281.20-1,040,109.60

Finding the Fourth Proportional to 2,104,903.20, 3,155,281.20 and 1,040,109.60

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Solution

The fourth proportional to 2,104,903.20, 3,155,281.20 and 1,040,109.60 is: 1,559,139.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104,903.20 : 3,155,281.20 = 1,040,109.60 : x
  2. Step 2: Convert to fraction form
    2,104,903.20/3,155,281.20 = 1,040,109.60/x
  3. Step 3: Cross multiply
    2,104,903.20x = 3,155,281.20 × 1,040,109.60
  4. Step 4: Simplify right side
    2,104,903.20x = 3,281,838,266,819.52
  5. Step 5: Solve for x
    x = 3,281,838,266,819.52/2,104,903.20
  6. Step 6: Final answer
    x = 1,559,139.76

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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.