Home / 2,305,095.86-3,178,075.11-1,890,103.70

Finding the Fourth Proportional to 2,305,095.86, 3,178,075.11 and 1,890,103.70

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Solution

The fourth proportional to 2,305,095.86, 3,178,075.11 and 1,890,103.70 is: 2,605,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305,095.86 : 3,178,075.11 = 1,890,103.70 : x
  2. Step 2: Convert to fraction form
    2,305,095.86/3,178,075.11 = 1,890,103.70/x
  3. Step 3: Cross multiply
    2,305,095.86x = 3,178,075.11 × 1,890,103.70
  4. Step 4: Simplify right side
    2,305,095.86x = 6,006,891,524,288.91
  5. Step 5: Solve for x
    x = 6,006,891,524,288.91/2,305,095.86
  6. Step 6: Final answer
    x = 2,605,918.32

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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.