Home / 2,811,740.10-3,880,194.36-1,522,580.40

Finding the Fourth Proportional to 2,811,740.10, 3,880,194.36 and 1,522,580.40

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Solution

The fourth proportional to 2,811,740.10, 3,880,194.36 and 1,522,580.40 is: 2,101,157.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,811,740.10 : 3,880,194.36 = 1,522,580.40 : x
  2. Step 2: Convert to fraction form
    2,811,740.10/3,880,194.36 = 1,522,580.40/x
  3. Step 3: Cross multiply
    2,811,740.10x = 3,880,194.36 × 1,522,580.40
  4. Step 4: Simplify right side
    2,811,740.10x = 5,907,907,880,726.54
  5. Step 5: Solve for x
    x = 5,907,907,880,726.54/2,811,740.10
  6. Step 6: Final answer
    x = 2,101,157.17

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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.