Home / 2,029,715.51-2,801,007.15-1,213,919.07

Finding the Fourth Proportional to 2,029,715.51, 2,801,007.15 and 1,213,919.07

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Solution

The fourth proportional to 2,029,715.51, 2,801,007.15 and 1,213,919.07 is: 1,675,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,029,715.51 : 2,801,007.15 = 1,213,919.07 : x
  2. Step 2: Convert to fraction form
    2,029,715.51/2,801,007.15 = 1,213,919.07/x
  3. Step 3: Cross multiply
    2,029,715.51x = 2,801,007.15 × 1,213,919.07
  4. Step 4: Simplify right side
    2,029,715.51x = 3,400,195,994,591.35
  5. Step 5: Solve for x
    x = 3,400,195,994,591.35/2,029,715.51
  6. Step 6: Final answer
    x = 1,675,208.16

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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.