Home / 3,460,407.36-4,775,498.75-1,990,313.56

Finding the Fourth Proportional to 3,460,407.36, 4,775,498.75 and 1,990,313.56

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Solution

The fourth proportional to 3,460,407.36, 4,775,498.75 and 1,990,313.56 is: 2,746,711.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460,407.36 : 4,775,498.75 = 1,990,313.56 : x
  2. Step 2: Convert to fraction form
    3,460,407.36/4,775,498.75 = 1,990,313.56/x
  3. Step 3: Cross multiply
    3,460,407.36x = 4,775,498.75 × 1,990,313.56
  4. Step 4: Simplify right side
    3,460,407.36x = 9,504,739,895,997.74
  5. Step 5: Solve for x
    x = 9,504,739,895,997.74/3,460,407.36
  6. Step 6: Final answer
    x = 2,746,711.27

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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.