Home / 2,115,651.20-3,173,152.80-695,710.40

Finding the Fourth Proportional to 2,115,651.20, 3,173,152.80 and 695,710.40

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Solution

The fourth proportional to 2,115,651.20, 3,173,152.80 and 695,710.40 is: 1,043,459.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,651.20 : 3,173,152.80 = 695,710.40 : x
  2. Step 2: Convert to fraction form
    2,115,651.20/3,173,152.80 = 695,710.40/x
  3. Step 3: Cross multiply
    2,115,651.20x = 3,173,152.80 × 695,710.40
  4. Step 4: Simplify right side
    2,115,651.20x = 2,207,595,403,749.12
  5. Step 5: Solve for x
    x = 2,207,595,403,749.12/2,115,651.20
  6. Step 6: Final answer
    x = 1,043,459.06

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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.