Home / 1,931,406.44-2,665,670.74-1,115,463.47

Finding the Fourth Proportional to 1,931,406.44, 2,665,670.74 and 1,115,463.47

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Solution

The fourth proportional to 1,931,406.44, 2,665,670.74 and 1,115,463.47 is: 1,539,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,406.44 : 2,665,670.74 = 1,115,463.47 : x
  2. Step 2: Convert to fraction form
    1,931,406.44/2,665,670.74 = 1,115,463.47/x
  3. Step 3: Cross multiply
    1,931,406.44x = 2,665,670.74 × 1,115,463.47
  4. Step 4: Simplify right side
    1,931,406.44x = 2,973,458,317,400.86
  5. Step 5: Solve for x
    x = 2,973,458,317,400.86/1,931,406.44
  6. Step 6: Final answer
    x = 1,539,530.09

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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.