Home / 5,390,219.40-8,085,458.70-1,603,825.80

Finding the Fourth Proportional to 5,390,219.40, 8,085,458.70 and 1,603,825.80

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Solution

The fourth proportional to 5,390,219.40, 8,085,458.70 and 1,603,825.80 is: 2,405,777.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,219.40 : 8,085,458.70 = 1,603,825.80 : x
  2. Step 2: Convert to fraction form
    5,390,219.40/8,085,458.70 = 1,603,825.80/x
  3. Step 3: Cross multiply
    5,390,219.40x = 8,085,458.70 × 1,603,825.80
  4. Step 4: Simplify right side
    5,390,219.40x = 12,967,667,267,894.46
  5. Step 5: Solve for x
    x = 12,967,667,267,894.46/5,390,219.40
  6. Step 6: Final answer
    x = 2,405,777.26

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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.