Home / 2,878,155.96-3,971,844.19-1,588,987.09

Finding the Fourth Proportional to 2,878,155.96, 3,971,844.19 and 1,588,987.09

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Solution

The fourth proportional to 2,878,155.96, 3,971,844.19 and 1,588,987.09 is: 2,192,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,878,155.96 : 3,971,844.19 = 1,588,987.09 : x
  2. Step 2: Convert to fraction form
    2,878,155.96/3,971,844.19 = 1,588,987.09/x
  3. Step 3: Cross multiply
    2,878,155.96x = 3,971,844.19 × 1,588,987.09
  4. Step 4: Simplify right side
    2,878,155.96x = 6,311,209,148,352.55
  5. Step 5: Solve for x
    x = 6,311,209,148,352.55/2,878,155.96
  6. Step 6: Final answer
    x = 2,192,796.10

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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.