Home / 3,571,576.81-4,928,815.65-2,101,810.21

Finding the Fourth Proportional to 3,571,576.81, 4,928,815.65 and 2,101,810.21

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Solution

The fourth proportional to 3,571,576.81, 4,928,815.65 and 2,101,810.21 is: 2,900,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571,576.81 : 4,928,815.65 = 2,101,810.21 : x
  2. Step 2: Convert to fraction form
    3,571,576.81/4,928,815.65 = 2,101,810.21/x
  3. Step 3: Cross multiply
    3,571,576.81x = 4,928,815.65 × 2,101,810.21
  4. Step 4: Simplify right side
    3,571,576.81x = 10,359,435,056,377.79
  5. Step 5: Solve for x
    x = 10,359,435,056,377.79/3,571,576.81
  6. Step 6: Final answer
    x = 2,900,521.42

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1.5x scale

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.