Home / 3,878,856.90-5,356,207.34-2,431,041.03

Finding the Fourth Proportional to 3,878,856.90, 5,356,207.34 and 2,431,041.03

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Solution

The fourth proportional to 3,878,856.90, 5,356,207.34 and 2,431,041.03 is: 3,356,958.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,856.90 : 5,356,207.34 = 2,431,041.03 : x
  2. Step 2: Convert to fraction form
    3,878,856.90/5,356,207.34 = 2,431,041.03/x
  3. Step 3: Cross multiply
    3,878,856.90x = 5,356,207.34 × 2,431,041.03
  4. Step 4: Simplify right side
    3,878,856.90x = 13,021,159,808,727.16
  5. Step 5: Solve for x
    x = 13,021,159,808,727.16/3,878,856.90
  6. Step 6: Final answer
    x = 3,356,958.03

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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.