Home / 4,957,646.89-7,434,076.80-2,078,240.31

Finding the Fourth Proportional to 4,957,646.89, 7,434,076.80 and 2,078,240.31

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Solution

The fourth proportional to 4,957,646.89, 7,434,076.80 and 2,078,240.31 is: 3,116,357.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957,646.89 : 7,434,076.80 = 2,078,240.31 : x
  2. Step 2: Convert to fraction form
    4,957,646.89/7,434,076.80 = 2,078,240.31/x
  3. Step 3: Cross multiply
    4,957,646.89x = 7,434,076.80 × 2,078,240.31
  4. Step 4: Simplify right side
    4,957,646.89x = 15,449,798,036,225.42
  5. Step 5: Solve for x
    x = 15,449,798,036,225.42/4,957,646.89
  6. Step 6: Final answer
    x = 3,116,357.09

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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.