Home / 2,847,790.65-3,929,478.71-1,624,185.11

Finding the Fourth Proportional to 2,847,790.65, 3,929,478.71 and 1,624,185.11

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Solution

The fourth proportional to 2,847,790.65, 3,929,478.71 and 1,624,185.11 is: 2,241,106.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847,790.65 : 3,929,478.71 = 1,624,185.11 : x
  2. Step 2: Convert to fraction form
    2,847,790.65/3,929,478.71 = 1,624,185.11/x
  3. Step 3: Cross multiply
    2,847,790.65x = 3,929,478.71 × 1,624,185.11
  4. Step 4: Simplify right side
    2,847,790.65x = 6,382,200,812,546.78
  5. Step 5: Solve for x
    x = 6,382,200,812,546.78/2,847,790.65
  6. Step 6: Final answer
    x = 2,241,106.04

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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.