Home / 1,916,277.40-2,874,416.10-1,631,311.30

Finding the Fourth Proportional to 1,916,277.40, 2,874,416.10 and 1,631,311.30

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Solution

The fourth proportional to 1,916,277.40, 2,874,416.10 and 1,631,311.30 is: 2,446,966.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,277.40 : 2,874,416.10 = 1,631,311.30 : x
  2. Step 2: Convert to fraction form
    1,916,277.40/2,874,416.10 = 1,631,311.30/x
  3. Step 3: Cross multiply
    1,916,277.40x = 2,874,416.10 × 1,631,311.30
  4. Step 4: Simplify right side
    1,916,277.40x = 4,689,067,464,831.93
  5. Step 5: Solve for x
    x = 4,689,067,464,831.93/1,916,277.40
  6. Step 6: Final answer
    x = 2,446,966.95

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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.