Home / 2,020,345.92-2,788,144.32-1,102,625.28

Finding the Fourth Proportional to 2,020,345.92, 2,788,144.32 and 1,102,625.28

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Solution

The fourth proportional to 2,020,345.92, 2,788,144.32 and 1,102,625.28 is: 1,521,659.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,345.92 : 2,788,144.32 = 1,102,625.28 : x
  2. Step 2: Convert to fraction form
    2,020,345.92/2,788,144.32 = 1,102,625.28/x
  3. Step 3: Cross multiply
    2,020,345.92x = 2,788,144.32 × 1,102,625.28
  4. Step 4: Simplify right side
    2,020,345.92x = 3,074,278,411,520.41
  5. Step 5: Solve for x
    x = 3,074,278,411,520.41/2,020,345.92
  6. Step 6: Final answer
    x = 1,521,659.43

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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.