Home / 2,171,918.32-2,997,521.58-1,427,473.24

Finding the Fourth Proportional to 2,171,918.32, 2,997,521.58 and 1,427,473.24

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Solution

The fourth proportional to 2,171,918.32, 2,997,521.58 and 1,427,473.24 is: 1,970,093.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,918.32 : 2,997,521.58 = 1,427,473.24 : x
  2. Step 2: Convert to fraction form
    2,171,918.32/2,997,521.58 = 1,427,473.24/x
  3. Step 3: Cross multiply
    2,171,918.32x = 2,997,521.58 × 1,427,473.24
  4. Step 4: Simplify right side
    2,171,918.32x = 4,278,881,841,772.52
  5. Step 5: Solve for x
    x = 4,278,881,841,772.52/2,171,918.32
  6. Step 6: Final answer
    x = 1,970,093.35

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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.