Home / 2,618,877.93-3,928,482.96-821,832.31

Finding the Fourth Proportional to 2,618,877.93, 3,928,482.96 and 821,832.31

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Solution

The fourth proportional to 2,618,877.93, 3,928,482.96 and 821,832.31 is: 1,232,800.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618,877.93 : 3,928,482.96 = 821,832.31 : x
  2. Step 2: Convert to fraction form
    2,618,877.93/3,928,482.96 = 821,832.31/x
  3. Step 3: Cross multiply
    2,618,877.93x = 3,928,482.96 × 821,832.31
  4. Step 4: Simplify right side
    2,618,877.93x = 3,228,554,225,812.44
  5. Step 5: Solve for x
    x = 3,228,554,225,812.44/2,618,877.93
  6. Step 6: Final answer
    x = 1,232,800.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.