Home / 3,926,576.80-5,889,865.20-2,130,320.80

Finding the Fourth Proportional to 3,926,576.80, 5,889,865.20 and 2,130,320.80

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Solution

The fourth proportional to 3,926,576.80, 5,889,865.20 and 2,130,320.80 is: 3,195,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,926,576.80 : 5,889,865.20 = 2,130,320.80 : x
  2. Step 2: Convert to fraction form
    3,926,576.80/5,889,865.20 = 2,130,320.80/x
  3. Step 3: Cross multiply
    3,926,576.80x = 5,889,865.20 × 2,130,320.80
  4. Step 4: Simplify right side
    3,926,576.80x = 12,547,302,344,756.16
  5. Step 5: Solve for x
    x = 12,547,302,344,756.16/3,926,576.80
  6. Step 6: Final answer
    x = 3,195,481.20

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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.