Home / 1,928,774.40-2,661,866.40-1,069,604.16

Finding the Fourth Proportional to 1,928,774.40, 2,661,866.40 and 1,069,604.16

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Solution

The fourth proportional to 1,928,774.40, 2,661,866.40 and 1,069,604.16 is: 1,476,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,774.40 : 2,661,866.40 = 1,069,604.16 : x
  2. Step 2: Convert to fraction form
    1,928,774.40/2,661,866.40 = 1,069,604.16/x
  3. Step 3: Cross multiply
    1,928,774.40x = 2,661,866.40 × 1,069,604.16
  4. Step 4: Simplify right side
    1,928,774.40x = 2,847,143,374,804.22
  5. Step 5: Solve for x
    x = 2,847,143,374,804.22/1,928,774.40
  6. Step 6: Final answer
    x = 1,476,141.21

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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.