Home / 3,919,693.60-5,409,328.81-2,177,494.91

Finding the Fourth Proportional to 3,919,693.60, 5,409,328.81 and 2,177,494.91

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Solution

The fourth proportional to 3,919,693.60, 5,409,328.81 and 2,177,494.91 is: 3,005,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,693.60 : 5,409,328.81 = 2,177,494.91 : x
  2. Step 2: Convert to fraction form
    3,919,693.60/5,409,328.81 = 2,177,494.91/x
  3. Step 3: Cross multiply
    3,919,693.60x = 5,409,328.81 × 2,177,494.91
  4. Step 4: Simplify right side
    3,919,693.60x = 11,778,785,950,291.36
  5. Step 5: Solve for x
    x = 11,778,785,950,291.36/3,919,693.60
  6. Step 6: Final answer
    x = 3,005,027.22

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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.