Home / 1,814,400.71-2,503,873.20-987,477.38

Finding the Fourth Proportional to 1,814,400.71, 2,503,873.20 and 987,477.38

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Solution

The fourth proportional to 1,814,400.71, 2,503,873.20 and 987,477.38 is: 1,362,718.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,400.71 : 2,503,873.20 = 987,477.38 : x
  2. Step 2: Convert to fraction form
    1,814,400.71/2,503,873.20 = 987,477.38/x
  3. Step 3: Cross multiply
    1,814,400.71x = 2,503,873.20 × 987,477.38
  4. Step 4: Simplify right side
    1,814,400.71x = 2,472,518,147,388.22
  5. Step 5: Solve for x
    x = 2,472,518,147,388.22/1,814,400.71
  6. Step 6: Final answer
    x = 1,362,718.90

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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.