Home / 1,869,009.47-2,579,234.09-1,009,569.73

Finding the Fourth Proportional to 1,869,009.47, 2,579,234.09 and 1,009,569.73

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Solution

The fourth proportional to 1,869,009.47, 2,579,234.09 and 1,009,569.73 is: 1,393,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,009.47 : 2,579,234.09 = 1,009,569.73 : x
  2. Step 2: Convert to fraction form
    1,869,009.47/2,579,234.09 = 1,009,569.73/x
  3. Step 3: Cross multiply
    1,869,009.47x = 2,579,234.09 × 1,009,569.73
  4. Step 4: Simplify right side
    1,869,009.47x = 2,603,916,663,848.10
  5. Step 5: Solve for x
    x = 2,603,916,663,848.10/1,869,009.47
  6. Step 6: Final answer
    x = 1,393,206.78

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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.