Home / 5,390,189.40-8,085,284.10-4,858,748.40

Finding the Fourth Proportional to 5,390,189.40, 8,085,284.10 and 4,858,748.40

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Solution

The fourth proportional to 5,390,189.40, 8,085,284.10 and 4,858,748.40 is: 7,288,122.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,189.40 : 8,085,284.10 = 4,858,748.40 : x
  2. Step 2: Convert to fraction form
    5,390,189.40/8,085,284.10 = 4,858,748.40/x
  3. Step 3: Cross multiply
    5,390,189.40x = 8,085,284.10 × 4,858,748.40
  4. Step 4: Simplify right side
    5,390,189.40x = 39,284,361,184,420.44
  5. Step 5: Solve for x
    x = 39,284,361,184,420.44/5,390,189.40
  6. Step 6: Final answer
    x = 7,288,122.60

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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.