Home / 3,118,309.03-4,302,058.80-1,828,678.87

Finding the Fourth Proportional to 3,118,309.03, 4,302,058.80 and 1,828,678.87

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Solution

The fourth proportional to 3,118,309.03, 4,302,058.80 and 1,828,678.87 is: 2,522,868.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118,309.03 : 4,302,058.80 = 1,828,678.87 : x
  2. Step 2: Convert to fraction form
    3,118,309.03/4,302,058.80 = 1,828,678.87/x
  3. Step 3: Cross multiply
    3,118,309.03x = 4,302,058.80 × 1,828,678.87
  4. Step 4: Simplify right side
    3,118,309.03x = 7,867,084,025,057.56
  5. Step 5: Solve for x
    x = 7,867,084,025,057.56/3,118,309.03
  6. Step 6: Final answer
    x = 2,522,868.63

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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.