Home / 3,437,920.12-4,744,051.62-1,987,708.60

Finding the Fourth Proportional to 3,437,920.12, 4,744,051.62 and 1,987,708.60

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Solution

The fourth proportional to 3,437,920.12, 4,744,051.62 and 1,987,708.60 is: 2,742,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437,920.12 : 4,744,051.62 = 1,987,708.60 : x
  2. Step 2: Convert to fraction form
    3,437,920.12/4,744,051.62 = 1,987,708.60/x
  3. Step 3: Cross multiply
    3,437,920.12x = 4,744,051.62 × 1,987,708.60
  4. Step 4: Simplify right side
    3,437,920.12x = 9,429,792,203,917.93
  5. Step 5: Solve for x
    x = 9,429,792,203,917.93/3,437,920.12
  6. Step 6: Final answer
    x = 2,742,877.05

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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.