Home / 3,120,386.58-4,304,851.08-1,896,494.94

Finding the Fourth Proportional to 3,120,386.58, 4,304,851.08 and 1,896,494.94

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Solution

The fourth proportional to 3,120,386.58, 4,304,851.08 and 1,896,494.94 is: 2,616,383.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,386.58 : 4,304,851.08 = 1,896,494.94 : x
  2. Step 2: Convert to fraction form
    3,120,386.58/4,304,851.08 = 1,896,494.94/x
  3. Step 3: Cross multiply
    3,120,386.58x = 4,304,851.08 × 1,896,494.94
  4. Step 4: Simplify right side
    3,120,386.58x = 8,164,128,290,673.54
  5. Step 5: Solve for x
    x = 8,164,128,290,673.54/3,120,386.58
  6. Step 6: Final answer
    x = 2,616,383.61

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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.