Home / 2,055,771.05-2,836,929.69-1,137,980.78

Finding the Fourth Proportional to 2,055,771.05, 2,836,929.69 and 1,137,980.78

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Solution

The fourth proportional to 2,055,771.05, 2,836,929.69 and 1,137,980.78 is: 1,570,394.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,055,771.05 : 2,836,929.69 = 1,137,980.78 : x
  2. Step 2: Convert to fraction form
    2,055,771.05/2,836,929.69 = 1,137,980.78/x
  3. Step 3: Cross multiply
    2,055,771.05x = 2,836,929.69 × 1,137,980.78
  4. Step 4: Simplify right side
    2,055,771.05x = 3,228,371,461,431.36
  5. Step 5: Solve for x
    x = 3,228,371,461,431.36/2,055,771.05
  6. Step 6: Final answer
    x = 1,570,394.46

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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.