Home / 3,776,120.40-5,211,030.56-2,057,235.60

Finding the Fourth Proportional to 3,776,120.40, 5,211,030.56 and 2,057,235.60

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Solution

The fourth proportional to 3,776,120.40, 5,211,030.56 and 2,057,235.60 is: 2,838,976.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,776,120.40 : 5,211,030.56 = 2,057,235.60 : x
  2. Step 2: Convert to fraction form
    3,776,120.40/5,211,030.56 = 2,057,235.60/x
  3. Step 3: Cross multiply
    3,776,120.40x = 5,211,030.56 × 2,057,235.60
  4. Step 4: Simplify right side
    3,776,120.40x = 10,720,317,580,719.94
  5. Step 5: Solve for x
    x = 10,720,317,580,719.94/3,776,120.40
  6. Step 6: Final answer
    x = 2,838,976.63

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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.