Home / 2,586,985.20-3,880,477.80-2,440,018.80

Finding the Fourth Proportional to 2,586,985.20, 3,880,477.80 and 2,440,018.80

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Solution

The fourth proportional to 2,586,985.20, 3,880,477.80 and 2,440,018.80 is: 3,660,028.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,586,985.20 : 3,880,477.80 = 2,440,018.80 : x
  2. Step 2: Convert to fraction form
    2,586,985.20/3,880,477.80 = 2,440,018.80/x
  3. Step 3: Cross multiply
    2,586,985.20x = 3,880,477.80 × 2,440,018.80
  4. Step 4: Simplify right side
    2,586,985.20x = 9,468,438,784,982.64
  5. Step 5: Solve for x
    x = 9,468,438,784,982.64/2,586,985.20
  6. Step 6: Final answer
    x = 3,660,028.20

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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.