Home / 2,103,090.60-3,150,488.70-1,259,135.40

Finding the Fourth Proportional to 2,103,090.60, 3,150,488.70 and 1,259,135.40

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Solution

The fourth proportional to 2,103,090.60, 3,150,488.70 and 1,259,135.40 is: 1,886,220.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,103,090.60 : 3,150,488.70 = 1,259,135.40 : x
  2. Step 2: Convert to fraction form
    2,103,090.60/3,150,488.70 = 1,259,135.40/x
  3. Step 3: Cross multiply
    2,103,090.60x = 3,150,488.70 × 1,259,135.40
  4. Step 4: Simplify right side
    2,103,090.60x = 3,966,891,849,469.98
  5. Step 5: Solve for x
    x = 3,966,891,849,469.98/2,103,090.60
  6. Step 6: Final answer
    x = 1,886,220.14

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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.