Home / 1,915,319.54-2,643,158.85-1,055,910.62

Finding the Fourth Proportional to 1,915,319.54, 2,643,158.85 and 1,055,910.62

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Solution

The fourth proportional to 1,915,319.54, 2,643,158.85 and 1,055,910.62 is: 1,457,166.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,319.54 : 2,643,158.85 = 1,055,910.62 : x
  2. Step 2: Convert to fraction form
    1,915,319.54/2,643,158.85 = 1,055,910.62/x
  3. Step 3: Cross multiply
    1,915,319.54x = 2,643,158.85 × 1,055,910.62
  4. Step 4: Simplify right side
    1,915,319.54x = 2,790,939,500,061.99
  5. Step 5: Solve for x
    x = 2,790,939,500,061.99/1,915,319.54
  6. Step 6: Final answer
    x = 1,457,166.52

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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.