Home / 2,238,820.20-3,358,230.30-1,291,703.40

Finding the Fourth Proportional to 2,238,820.20, 3,358,230.30 and 1,291,703.40

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Solution

The fourth proportional to 2,238,820.20, 3,358,230.30 and 1,291,703.40 is: 1,937,555.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,238,820.20 : 3,358,230.30 = 1,291,703.40 : x
  2. Step 2: Convert to fraction form
    2,238,820.20/3,358,230.30 = 1,291,703.40/x
  3. Step 3: Cross multiply
    2,238,820.20x = 3,358,230.30 × 1,291,703.40
  4. Step 4: Simplify right side
    2,238,820.20x = 4,337,837,496,493.02
  5. Step 5: Solve for x
    x = 4,337,837,496,493.02/2,238,820.20
  6. Step 6: Final answer
    x = 1,937,555.10

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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.