Home / 3,390,465.87-4,678,823.66-1,862,540.19

Finding the Fourth Proportional to 3,390,465.87, 4,678,823.66 and 1,862,540.19

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Solution

The fourth proportional to 3,390,465.87, 4,678,823.66 and 1,862,540.19 is: 2,570,294.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,465.87 : 4,678,823.66 = 1,862,540.19 : x
  2. Step 2: Convert to fraction form
    3,390,465.87/4,678,823.66 = 1,862,540.19/x
  3. Step 3: Cross multiply
    3,390,465.87x = 4,678,823.66 × 1,862,540.19
  4. Step 4: Simplify right side
    3,390,465.87x = 8,714,497,099,360.19
  5. Step 5: Solve for x
    x = 8,714,497,099,360.19/3,390,465.87
  6. Step 6: Final answer
    x = 2,570,294.89

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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.