Home / 1,869,009.97-2,579,234.78-1,009,570.23

Finding the Fourth Proportional to 1,869,009.97, 2,579,234.78 and 1,009,570.23

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Solution

The fourth proportional to 1,869,009.97, 2,579,234.78 and 1,009,570.23 is: 1,393,207.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,009.97 : 2,579,234.78 = 1,009,570.23 : x
  2. Step 2: Convert to fraction form
    1,869,009.97/2,579,234.78 = 1,009,570.23/x
  3. Step 3: Cross multiply
    1,869,009.97x = 2,579,234.78 × 1,009,570.23
  4. Step 4: Simplify right side
    1,869,009.97x = 2,603,918,650,068.60
  5. Step 5: Solve for x
    x = 2,603,918,650,068.60/1,869,009.97
  6. Step 6: Final answer
    x = 1,393,207.47

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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.