Home / 1,418,532.20-2,127,798.30-1,379,166.20

Finding the Fourth Proportional to 1,418,532.20, 2,127,798.30 and 1,379,166.20

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Solution

The fourth proportional to 1,418,532.20, 2,127,798.30 and 1,379,166.20 is: 2,068,749.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,532.20 : 2,127,798.30 = 1,379,166.20 : x
  2. Step 2: Convert to fraction form
    1,418,532.20/2,127,798.30 = 1,379,166.20/x
  3. Step 3: Cross multiply
    1,418,532.20x = 2,127,798.30 × 1,379,166.20
  4. Step 4: Simplify right side
    1,418,532.20x = 2,934,587,495,777.46
  5. Step 5: Solve for x
    x = 2,934,587,495,777.46/1,418,532.20
  6. Step 6: Final answer
    x = 2,068,749.30

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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.