Home / 2,455,681.57-3,388,942.67-1,367,952.86

Finding the Fourth Proportional to 2,455,681.57, 3,388,942.67 and 1,367,952.86

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Solution

The fourth proportional to 2,455,681.57, 3,388,942.67 and 1,367,952.86 is: 1,887,831.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455,681.57 : 3,388,942.67 = 1,367,952.86 : x
  2. Step 2: Convert to fraction form
    2,455,681.57/3,388,942.67 = 1,367,952.86/x
  3. Step 3: Cross multiply
    2,455,681.57x = 3,388,942.67 × 1,367,952.86
  4. Step 4: Simplify right side
    2,455,681.57x = 4,635,913,819,435.13
  5. Step 5: Solve for x
    x = 4,635,913,819,435.13/2,455,681.57
  6. Step 6: Final answer
    x = 1,887,831.83

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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.