Home / 2,038,688.10-3,058,032.15-839,993.40

Finding the Fourth Proportional to 2,038,688.10, 3,058,032.15 and 839,993.40

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Solution

The fourth proportional to 2,038,688.10, 3,058,032.15 and 839,993.40 is: 1,259,990.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038,688.10 : 3,058,032.15 = 839,993.40 : x
  2. Step 2: Convert to fraction form
    2,038,688.10/3,058,032.15 = 839,993.40/x
  3. Step 3: Cross multiply
    2,038,688.10x = 3,058,032.15 × 839,993.40
  4. Step 4: Simplify right side
    2,038,688.10x = 2,568,726,822,987.81
  5. Step 5: Solve for x
    x = 2,568,726,822,987.81/2,038,688.10
  6. Step 6: Final answer
    x = 1,259,990.10

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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.