Home / 3,639,810.40-5,459,715.60-1,115,137.60

Finding the Fourth Proportional to 3,639,810.40, 5,459,715.60 and 1,115,137.60

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Solution

The fourth proportional to 3,639,810.40, 5,459,715.60 and 1,115,137.60 is: 1,672,706.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,810.40 : 5,459,715.60 = 1,115,137.60 : x
  2. Step 2: Convert to fraction form
    3,639,810.40/5,459,715.60 = 1,115,137.60/x
  3. Step 3: Cross multiply
    3,639,810.40x = 5,459,715.60 × 1,115,137.60
  4. Step 4: Simplify right side
    3,639,810.40x = 6,088,334,150,866.56
  5. Step 5: Solve for x
    x = 6,088,334,150,866.56/3,639,810.40
  6. Step 6: Final answer
    x = 1,672,706.40

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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.