Home / 1,940,407.40-2,658,367.62-1,867,681.40

Finding the Fourth Proportional to 1,940,407.40, 2,658,367.62 and 1,867,681.40

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Solution

The fourth proportional to 1,940,407.40, 2,658,367.62 and 1,867,681.40 is: 2,558,732.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,940,407.40 : 2,658,367.62 = 1,867,681.40 : x
  2. Step 2: Convert to fraction form
    1,940,407.40/2,658,367.62 = 1,867,681.40/x
  3. Step 3: Cross multiply
    1,940,407.40x = 2,658,367.62 × 1,867,681.40
  4. Step 4: Simplify right side
    1,940,407.40x = 4,964,983,758,236.27
  5. Step 5: Solve for x
    x = 4,964,983,758,236.27/1,940,407.40
  6. Step 6: Final answer
    x = 2,558,732.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.