Home / 1,986,420.24-2,741,070.24-1,115,055.45

Finding the Fourth Proportional to 1,986,420.24, 2,741,070.24 and 1,115,055.45

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Solution

The fourth proportional to 1,986,420.24, 2,741,070.24 and 1,115,055.45 is: 1,538,670.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,420.24 : 2,741,070.24 = 1,115,055.45 : x
  2. Step 2: Convert to fraction form
    1,986,420.24/2,741,070.24 = 1,115,055.45/x
  3. Step 3: Cross multiply
    1,986,420.24x = 2,741,070.24 × 1,115,055.45
  4. Step 4: Simplify right side
    1,986,420.24x = 3,056,445,309,944.81
  5. Step 5: Solve for x
    x = 3,056,445,309,944.81/1,986,420.24
  6. Step 6: Final answer
    x = 1,538,670.04

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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.