Home / 2,917,721.80-4,376,582.70-1,857,464.20

Finding the Fourth Proportional to 2,917,721.80, 4,376,582.70 and 1,857,464.20

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Solution

The fourth proportional to 2,917,721.80, 4,376,582.70 and 1,857,464.20 is: 2,786,196.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,721.80 : 4,376,582.70 = 1,857,464.20 : x
  2. Step 2: Convert to fraction form
    2,917,721.80/4,376,582.70 = 1,857,464.20/x
  3. Step 3: Cross multiply
    2,917,721.80x = 4,376,582.70 × 1,857,464.20
  4. Step 4: Simplify right side
    2,917,721.80x = 8,129,345,683,589.34
  5. Step 5: Solve for x
    x = 8,129,345,683,589.34/2,917,721.80
  6. Step 6: Final answer
    x = 2,786,196.30

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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.