Home / 2,305,482.77-3,457,620.53-685,815.21

Finding the Fourth Proportional to 2,305,482.77, 3,457,620.53 and 685,815.21

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Solution

The fourth proportional to 2,305,482.77, 3,457,620.53 and 685,815.21 is: 1,028,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,482.77 : 3,457,620.53 = 685,815.21 : x
  2. Step 2: Convert to fraction form
    2,305,482.77/3,457,620.53 = 685,815.21/x
  3. Step 3: Cross multiply
    2,305,482.77x = 3,457,620.53 × 685,815.21
  4. Step 4: Simplify right side
    2,305,482.77x = 2,371,288,746,453.19
  5. Step 5: Solve for x
    x = 2,371,288,746,453.19/2,305,482.77
  6. Step 6: Final answer
    x = 1,028,543.25

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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.