Home / 1,914,221.35-2,641,741.47-1,054,780.57

Finding the Fourth Proportional to 1,914,221.35, 2,641,741.47 and 1,054,780.57

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Solution

The fourth proportional to 1,914,221.35, 2,641,741.47 and 1,054,780.57 is: 1,455,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,221.35 : 2,641,741.47 = 1,054,780.57 : x
  2. Step 2: Convert to fraction form
    1,914,221.35/2,641,741.47 = 1,054,780.57/x
  3. Step 3: Cross multiply
    1,914,221.35x = 2,641,741.47 × 1,054,780.57
  4. Step 4: Simplify right side
    1,914,221.35x = 2,786,457,573,519.24
  5. Step 5: Solve for x
    x = 2,786,457,573,519.24/1,914,221.35
  6. Step 6: Final answer
    x = 1,455,661.11

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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.