Home / 3,015,250.31-4,161,086-1,638,621.35

Finding the Fourth Proportional to 3,015,250.31, 4,161,086 and 1,638,621.35

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Solution

The fourth proportional to 3,015,250.31, 4,161,086 and 1,638,621.35 is: 2,261,319.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015,250.31 : 4,161,086 = 1,638,621.35 : x
  2. Step 2: Convert to fraction form
    3,015,250.31/4,161,086 = 1,638,621.35/x
  3. Step 3: Cross multiply
    3,015,250.31x = 4,161,086 × 1,638,621.35
  4. Step 4: Simplify right side
    3,015,250.31x = 6,818,444,358,786.10
  5. Step 5: Solve for x
    x = 6,818,444,358,786.10/3,015,250.31
  6. Step 6: Final answer
    x = 2,261,319.51

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1.5x scale

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.