Home / 3,571,390.19-4,928,554.61-1,939,829.40

Finding the Fourth Proportional to 3,571,390.19, 4,928,554.61 and 1,939,829.40

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Solution

The fourth proportional to 3,571,390.19, 4,928,554.61 and 1,939,829.40 is: 2,676,984.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,390.19 : 4,928,554.61 = 1,939,829.40 : x
  2. Step 2: Convert to fraction form
    3,571,390.19/4,928,554.61 = 1,939,829.40/x
  3. Step 3: Cross multiply
    3,571,390.19x = 4,928,554.61 × 1,939,829.40
  4. Step 4: Simplify right side
    3,571,390.19x = 9,560,555,122,284.39
  5. Step 5: Solve for x
    x = 9,560,555,122,284.39/3,571,390.19
  6. Step 6: Final answer
    x = 2,676,984.21

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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.