Home / 1,815,090.90-2,723,511.15-1,281,462.90

Finding the Fourth Proportional to 1,815,090.90, 2,723,511.15 and 1,281,462.90

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Solution

The fourth proportional to 1,815,090.90, 2,723,511.15 and 1,281,462.90 is: 1,922,811.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,090.90 : 2,723,511.15 = 1,281,462.90 : x
  2. Step 2: Convert to fraction form
    1,815,090.90/2,723,511.15 = 1,281,462.90/x
  3. Step 3: Cross multiply
    1,815,090.90x = 2,723,511.15 × 1,281,462.90
  4. Step 4: Simplify right side
    1,815,090.90x = 3,490,078,496,461.33
  5. Step 5: Solve for x
    x = 3,490,078,496,461.33/1,815,090.90
  6. Step 6: Final answer
    x = 1,922,811.96

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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.