Home / 3,020,145.78-4,167,801.87-1,662,018.78

Finding the Fourth Proportional to 3,020,145.78, 4,167,801.87 and 1,662,018.78

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Solution

The fourth proportional to 3,020,145.78, 4,167,801.87 and 1,662,018.78 is: 2,293,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,020,145.78 : 4,167,801.87 = 1,662,018.78 : x
  2. Step 2: Convert to fraction form
    3,020,145.78/4,167,801.87 = 1,662,018.78/x
  3. Step 3: Cross multiply
    3,020,145.78x = 4,167,801.87 × 1,662,018.78
  4. Step 4: Simplify right side
    3,020,145.78x = 6,926,964,979,259.12
  5. Step 5: Solve for x
    x = 6,926,964,979,259.12/3,020,145.78
  6. Step 6: Final answer
    x = 2,293,586.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.