Home / 3,460,943.82-4,776,074.24-1,912,200.64

Finding the Fourth Proportional to 3,460,943.82, 4,776,074.24 and 1,912,200.64

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Solution

The fourth proportional to 3,460,943.82, 4,776,074.24 and 1,912,200.64 is: 2,638,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,943.82 : 4,776,074.24 = 1,912,200.64 : x
  2. Step 2: Convert to fraction form
    3,460,943.82/4,776,074.24 = 1,912,200.64/x
  3. Step 3: Cross multiply
    3,460,943.82x = 4,776,074.24 × 1,912,200.64
  4. Step 4: Simplify right side
    3,460,943.82x = 9,132,812,204,085.08
  5. Step 5: Solve for x
    x = 9,132,812,204,085.08/3,460,943.82
  6. Step 6: Final answer
    x = 2,638,821.28

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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.