Home / 5,113,989-7,057,474.26-2,791,008.63

Finding the Fourth Proportional to 5,113,989, 7,057,474.26 and 2,791,008.63

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Solution

The fourth proportional to 5,113,989, 7,057,474.26 and 2,791,008.63 is: 3,851,684.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,989 : 7,057,474.26 = 2,791,008.63 : x
  2. Step 2: Convert to fraction form
    5,113,989/7,057,474.26 = 2,791,008.63/x
  3. Step 3: Cross multiply
    5,113,989x = 7,057,474.26 × 2,791,008.63
  4. Step 4: Simplify right side
    5,113,989x = 19,697,471,565,662.86
  5. Step 5: Solve for x
    x = 19,697,471,565,662.86/5,113,989
  6. Step 6: Final answer
    x = 3,851,684.38

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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.