Home / 2,051,668-2,831,225.16-1,180,637.20

Finding the Fourth Proportional to 2,051,668, 2,831,225.16 and 1,180,637.20

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Solution

The fourth proportional to 2,051,668, 2,831,225.16 and 1,180,637.20 is: 1,629,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051,668 : 2,831,225.16 = 1,180,637.20 : x
  2. Step 2: Convert to fraction form
    2,051,668/2,831,225.16 = 1,180,637.20/x
  3. Step 3: Cross multiply
    2,051,668x = 2,831,225.16 × 1,180,637.20
  4. Step 4: Simplify right side
    2,051,668x = 3,342,649,745,471.95
  5. Step 5: Solve for x
    x = 3,342,649,745,471.95/2,051,668
  6. Step 6: Final answer
    x = 1,629,235.21

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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.