Home / 2,822,476.15-3,895,636.95-1,855,696.40

Finding the Fourth Proportional to 2,822,476.15, 3,895,636.95 and 1,855,696.40

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Solution

The fourth proportional to 2,822,476.15, 3,895,636.95 and 1,855,696.40 is: 2,561,268.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,822,476.15 : 3,895,636.95 = 1,855,696.40 : x
  2. Step 2: Convert to fraction form
    2,822,476.15/3,895,636.95 = 1,855,696.40/x
  3. Step 3: Cross multiply
    2,822,476.15x = 3,895,636.95 × 1,855,696.40
  4. Step 4: Simplify right side
    2,822,476.15x = 7,229,119,463,821.98
  5. Step 5: Solve for x
    x = 7,229,119,463,821.98/2,822,476.15
  6. Step 6: Final answer
    x = 2,561,268.57

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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.