Home / 6,968,779.20-9,617,186.64-3,871,536.28

Finding the Fourth Proportional to 6,968,779.20, 9,617,186.64 and 3,871,536.28

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Solution

The fourth proportional to 6,968,779.20, 9,617,186.64 and 3,871,536.28 is: 5,342,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,968,779.20 : 9,617,186.64 = 3,871,536.28 : x
  2. Step 2: Convert to fraction form
    6,968,779.20/9,617,186.64 = 3,871,536.28/x
  3. Step 3: Cross multiply
    6,968,779.20x = 9,617,186.64 × 3,871,536.28
  4. Step 4: Simplify right side
    6,968,779.20x = 37,233,286,988,291.30
  5. Step 5: Solve for x
    x = 37,233,286,988,291.30/6,968,779.20
  6. Step 6: Final answer
    x = 5,342,870.81

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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.