Home / 1,401,335.10-2,102,002.65-1,121,399.10

Finding the Fourth Proportional to 1,401,335.10, 2,102,002.65 and 1,121,399.10

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Solution

The fourth proportional to 1,401,335.10, 2,102,002.65 and 1,121,399.10 is: 1,682,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401,335.10 : 2,102,002.65 = 1,121,399.10 : x
  2. Step 2: Convert to fraction form
    1,401,335.10/2,102,002.65 = 1,121,399.10/x
  3. Step 3: Cross multiply
    1,401,335.10x = 2,102,002.65 × 1,121,399.10
  4. Step 4: Simplify right side
    1,401,335.10x = 2,357,183,879,907.62
  5. Step 5: Solve for x
    x = 2,357,183,879,907.62/1,401,335.10
  6. Step 6: Final answer
    x = 1,682,098.65

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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.