Home / 5,389,719.40-8,084,708.70-1,603,325.80

Finding the Fourth Proportional to 5,389,719.40, 8,084,708.70 and 1,603,325.80

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Solution

The fourth proportional to 5,389,719.40, 8,084,708.70 and 1,603,325.80 is: 2,405,027.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,719.40 : 8,084,708.70 = 1,603,325.80 : x
  2. Step 2: Convert to fraction form
    5,389,719.40/8,084,708.70 = 1,603,325.80/x
  3. Step 3: Cross multiply
    5,389,719.40x = 8,084,708.70 × 1,603,325.80
  4. Step 4: Simplify right side
    5,389,719.40x = 12,962,422,044,194.46
  5. Step 5: Solve for x
    x = 12,962,422,044,194.46/5,389,719.40
  6. Step 6: Final answer
    x = 2,405,027.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.