Home / 1,868,205.75-2,792,072.64-1,363,828.88

Finding the Fourth Proportional to 1,868,205.75, 2,792,072.64 and 1,363,828.88

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Solution

The fourth proportional to 1,868,205.75, 2,792,072.64 and 1,363,828.88 is: 2,038,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868,205.75 : 2,792,072.64 = 1,363,828.88 : x
  2. Step 2: Convert to fraction form
    1,868,205.75/2,792,072.64 = 1,363,828.88/x
  3. Step 3: Cross multiply
    1,868,205.75x = 2,792,072.64 × 1,363,828.88
  4. Step 4: Simplify right side
    1,868,205.75x = 3,807,909,290,207.44
  5. Step 5: Solve for x
    x = 3,807,909,290,207.44/1,868,205.75
  6. Step 6: Final answer
    x = 2,038,270.83

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.