Home / 3,912,658.40-5,871,903.60-2,018,424.80

Finding the Fourth Proportional to 3,912,658.40, 5,871,903.60 and 2,018,424.80

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Solution

The fourth proportional to 3,912,658.40, 5,871,903.60 and 2,018,424.80 is: 3,029,141.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912,658.40 : 5,871,903.60 = 2,018,424.80 : x
  2. Step 2: Convert to fraction form
    3,912,658.40/5,871,903.60 = 2,018,424.80/x
  3. Step 3: Cross multiply
    3,912,658.40x = 5,871,903.60 × 2,018,424.80
  4. Step 4: Simplify right side
    3,912,658.40x = 11,851,995,849,449.28
  5. Step 5: Solve for x
    x = 11,851,995,849,449.28/3,912,658.40
  6. Step 6: Final answer
    x = 3,029,141.48

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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.