Home / 1,609,986.78-2,221,831.76-884,821.32

Finding the Fourth Proportional to 1,609,986.78, 2,221,831.76 and 884,821.32

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Solution

The fourth proportional to 1,609,986.78, 2,221,831.76 and 884,821.32 is: 1,221,080.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,986.78 : 2,221,831.76 = 884,821.32 : x
  2. Step 2: Convert to fraction form
    1,609,986.78/2,221,831.76 = 884,821.32/x
  3. Step 3: Cross multiply
    1,609,986.78x = 2,221,831.76 × 884,821.32
  4. Step 4: Simplify right side
    1,609,986.78x = 1,965,924,106,277.02
  5. Step 5: Solve for x
    x = 1,965,924,106,277.02/1,609,986.78
  6. Step 6: Final answer
    x = 1,221,080.90

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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.