Home / 1,868,550.90-2,578,600.11-1,009,111.06

Finding the Fourth Proportional to 1,868,550.90, 2,578,600.11 and 1,009,111.06

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Solution

The fourth proportional to 1,868,550.90, 2,578,600.11 and 1,009,111.06 is: 1,392,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,550.90 : 2,578,600.11 = 1,009,111.06 : x
  2. Step 2: Convert to fraction form
    1,868,550.90/2,578,600.11 = 1,009,111.06/x
  3. Step 3: Cross multiply
    1,868,550.90x = 2,578,600.11 × 1,009,111.06
  4. Step 4: Simplify right side
    1,868,550.90x = 2,602,093,890,318.22
  5. Step 5: Solve for x
    x = 2,602,093,890,318.22/1,868,550.90
  6. Step 6: Final answer
    x = 1,392,573.19

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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.