Home / 3,791,365.45-5,230,807.47-2,158,618.08

Finding the Fourth Proportional to 3,791,365.45, 5,230,807.47 and 2,158,618.08

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Solution

The fourth proportional to 3,791,365.45, 5,230,807.47 and 2,158,618.08 is: 2,978,165.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791,365.45 : 5,230,807.47 = 2,158,618.08 : x
  2. Step 2: Convert to fraction form
    3,791,365.45/5,230,807.47 = 2,158,618.08/x
  3. Step 3: Cross multiply
    3,791,365.45x = 5,230,807.47 × 2,158,618.08
  4. Step 4: Simplify right side
    3,791,365.45x = 11,291,315,577,741.06
  5. Step 5: Solve for x
    x = 11,291,315,577,741.06/3,791,365.45
  6. Step 6: Final answer
    x = 2,978,165.97

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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.