Home / 5,128,056.72-7,689,840.48-2,433,151.44

Finding the Fourth Proportional to 5,128,056.72, 7,689,840.48 and 2,433,151.44

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Solution

The fourth proportional to 5,128,056.72, 7,689,840.48 and 2,433,151.44 is: 3,648,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,056.72 : 7,689,840.48 = 2,433,151.44 : x
  2. Step 2: Convert to fraction form
    5,128,056.72/7,689,840.48 = 2,433,151.44/x
  3. Step 3: Cross multiply
    5,128,056.72x = 7,689,840.48 × 2,433,151.44
  4. Step 4: Simplify right side
    5,128,056.72x = 18,710,546,437,282.29
  5. Step 5: Solve for x
    x = 18,710,546,437,282.29/5,128,056.72
  6. Step 6: Final answer
    x = 3,648,662.15

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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.