Home / 3,390,523.38-4,678,988.51-1,862,688.42

Finding the Fourth Proportional to 3,390,523.38, 4,678,988.51 and 1,862,688.42

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Solution

The fourth proportional to 3,390,523.38, 4,678,988.51 and 1,862,688.42 is: 2,570,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,523.38 : 4,678,988.51 = 1,862,688.42 : x
  2. Step 2: Convert to fraction form
    3,390,523.38/4,678,988.51 = 1,862,688.42/x
  3. Step 3: Cross multiply
    3,390,523.38x = 4,678,988.51 × 1,862,688.42
  4. Step 4: Simplify right side
    3,390,523.38x = 8,715,497,714,890.05
  5. Step 5: Solve for x
    x = 8,715,497,714,890.05/3,390,523.38
  6. Step 6: Final answer
    x = 2,570,546.41

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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.