Home / 3,852,706-5,774,880.45-1,928,977.78

Finding the Fourth Proportional to 3,852,706, 5,774,880.45 and 1,928,977.78

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Solution

The fourth proportional to 3,852,706, 5,774,880.45 and 1,928,977.78 is: 2,891,374.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,852,706 : 5,774,880.45 = 1,928,977.78 : x
  2. Step 2: Convert to fraction form
    3,852,706/5,774,880.45 = 1,928,977.78/x
  3. Step 3: Cross multiply
    3,852,706x = 5,774,880.45 × 1,928,977.78
  4. Step 4: Simplify right side
    3,852,706x = 11,139,616,070,206.40
  5. Step 5: Solve for x
    x = 11,139,616,070,206.40/3,852,706
  6. Step 6: Final answer
    x = 2,891,374.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.