Home / 2,180,531.79-3,009,080.28-1,200,462.67

Finding the Fourth Proportional to 2,180,531.79, 3,009,080.28 and 1,200,462.67

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Solution

The fourth proportional to 2,180,531.79, 3,009,080.28 and 1,200,462.67 is: 1,656,608.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,531.79 : 3,009,080.28 = 1,200,462.67 : x
  2. Step 2: Convert to fraction form
    2,180,531.79/3,009,080.28 = 1,200,462.67/x
  3. Step 3: Cross multiply
    2,180,531.79x = 3,009,080.28 × 1,200,462.67
  4. Step 4: Simplify right side
    2,180,531.79x = 3,612,288,558,457.20
  5. Step 5: Solve for x
    x = 3,612,288,558,457.20/2,180,531.79
  6. Step 6: Final answer
    x = 1,656,608.98

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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.