Home / 2,887,666.89-4,330,042.34-1,689,949.05

Finding the Fourth Proportional to 2,887,666.89, 4,330,042.34 and 1,689,949.05

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Solution

The fourth proportional to 2,887,666.89, 4,330,042.34 and 1,689,949.05 is: 2,534,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887,666.89 : 4,330,042.34 = 1,689,949.05 : x
  2. Step 2: Convert to fraction form
    2,887,666.89/4,330,042.34 = 1,689,949.05/x
  3. Step 3: Cross multiply
    2,887,666.89x = 4,330,042.34 × 1,689,949.05
  4. Step 4: Simplify right side
    2,887,666.89x = 7,317,550,930,493.03
  5. Step 5: Solve for x
    x = 7,317,550,930,493.03/2,887,666.89
  6. Step 6: Final answer
    x = 2,534,070.31

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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.