Home / 3,840,576.12-5,300,063.28-2,121,594.12

Finding the Fourth Proportional to 3,840,576.12, 5,300,063.28 and 2,121,594.12

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Solution

The fourth proportional to 3,840,576.12, 5,300,063.28 and 2,121,594.12 is: 2,927,837.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,840,576.12 : 5,300,063.28 = 2,121,594.12 : x
  2. Step 2: Convert to fraction form
    3,840,576.12/5,300,063.28 = 2,121,594.12/x
  3. Step 3: Cross multiply
    3,840,576.12x = 5,300,063.28 × 2,121,594.12
  4. Step 4: Simplify right side
    3,840,576.12x = 11,244,583,090,475.91
  5. Step 5: Solve for x
    x = 11,244,583,090,475.91/3,840,576.12
  6. Step 6: Final answer
    x = 2,927,837.58

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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.