Home / 1,722,203.73-2,376,970.11-1,140,400.71

Finding the Fourth Proportional to 1,722,203.73, 2,376,970.11 and 1,140,400.71

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Solution

The fourth proportional to 1,722,203.73, 2,376,970.11 and 1,140,400.71 is: 1,573,970.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,203.73 : 2,376,970.11 = 1,140,400.71 : x
  2. Step 2: Convert to fraction form
    1,722,203.73/2,376,970.11 = 1,140,400.71/x
  3. Step 3: Cross multiply
    1,722,203.73x = 2,376,970.11 × 1,140,400.71
  4. Step 4: Simplify right side
    1,722,203.73x = 2,710,698,401,092.78
  5. Step 5: Solve for x
    x = 2,710,698,401,092.78/1,722,203.73
  6. Step 6: Final answer
    x = 1,573,970.81

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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.