Home / 5,390,563.20-8,085,844.80-4,578,748.80

Finding the Fourth Proportional to 5,390,563.20, 8,085,844.80 and 4,578,748.80

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Solution

The fourth proportional to 5,390,563.20, 8,085,844.80 and 4,578,748.80 is: 6,868,123.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,390,563.20 : 8,085,844.80 = 4,578,748.80 : x
  2. Step 2: Convert to fraction form
    5,390,563.20/8,085,844.80 = 4,578,748.80/x
  3. Step 3: Cross multiply
    5,390,563.20x = 8,085,844.80 × 4,578,748.80
  4. Step 4: Simplify right side
    5,390,563.20x = 37,023,052,174,986.23
  5. Step 5: Solve for x
    x = 37,023,052,174,986.23/5,390,563.20
  6. Step 6: Final answer
    x = 6,868,123.20

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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.