Home / 1,987,634.35-2,742,729.42-1,116,566.83

Finding the Fourth Proportional to 1,987,634.35, 2,742,729.42 and 1,116,566.83

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Solution

The fourth proportional to 1,987,634.35, 2,742,729.42 and 1,116,566.83 is: 1,540,746.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,987,634.35 : 2,742,729.42 = 1,116,566.83 : x
  2. Step 2: Convert to fraction form
    1,987,634.35/2,742,729.42 = 1,116,566.83/x
  3. Step 3: Cross multiply
    1,987,634.35x = 2,742,729.42 × 1,116,566.83
  4. Step 4: Simplify right side
    1,987,634.35x = 3,062,440,694,037.14
  5. Step 5: Solve for x
    x = 3,062,440,694,037.14/1,987,634.35
  6. Step 6: Final answer
    x = 1,540,746.51

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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.