Home / 2,180,290.23-3,008,800.52-1,213,648.88

Finding the Fourth Proportional to 2,180,290.23, 3,008,800.52 and 1,213,648.88

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Solution

The fourth proportional to 2,180,290.23, 3,008,800.52 and 1,213,648.88 is: 1,674,835.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,290.23 : 3,008,800.52 = 1,213,648.88 : x
  2. Step 2: Convert to fraction form
    2,180,290.23/3,008,800.52 = 1,213,648.88/x
  3. Step 3: Cross multiply
    2,180,290.23x = 3,008,800.52 × 1,213,648.88
  4. Step 4: Simplify right side
    2,180,290.23x = 3,651,627,381,241.42
  5. Step 5: Solve for x
    x = 3,651,627,381,241.42/2,180,290.23
  6. Step 6: Final answer
    x = 1,674,835.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.