Home / 3,579,401.13-4,939,574.36-1,969,769.13

Finding the Fourth Proportional to 3,579,401.13, 4,939,574.36 and 1,969,769.13

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Solution

The fourth proportional to 3,579,401.13, 4,939,574.36 and 1,969,769.13 is: 2,718,281.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579,401.13 : 4,939,574.36 = 1,969,769.13 : x
  2. Step 2: Convert to fraction form
    3,579,401.13/4,939,574.36 = 1,969,769.13/x
  3. Step 3: Cross multiply
    3,579,401.13x = 4,939,574.36 × 1,969,769.13
  4. Step 4: Simplify right side
    3,579,401.13x = 9,729,821,089,667.51
  5. Step 5: Solve for x
    x = 9,729,821,089,667.51/3,579,401.13
  6. Step 6: Final answer
    x = 2,718,281.84

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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.