Home / 2,880,997.35-4,321,714.73-859,083.05

Finding the Fourth Proportional to 2,880,997.35, 4,321,714.73 and 859,083.05

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Solution

The fourth proportional to 2,880,997.35, 4,321,714.73 and 859,083.05 is: 1,288,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,997.35 : 4,321,714.73 = 859,083.05 : x
  2. Step 2: Convert to fraction form
    2,880,997.35/4,321,714.73 = 859,083.05/x
  3. Step 3: Cross multiply
    2,880,997.35x = 4,321,714.73 × 859,083.05
  4. Step 4: Simplify right side
    2,880,997.35x = 3,712,711,845,574.34
  5. Step 5: Solve for x
    x = 3,712,711,845,574.34/2,880,997.35
  6. Step 6: Final answer
    x = 1,288,689.78

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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.