Home / 2,072,154.57-2,858,814.86-1,255,769.34

Finding the Fourth Proportional to 2,072,154.57, 2,858,814.86 and 1,255,769.34

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Solution

The fourth proportional to 2,072,154.57, 2,858,814.86 and 1,255,769.34 is: 1,732,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,154.57 : 2,858,814.86 = 1,255,769.34 : x
  2. Step 2: Convert to fraction form
    2,072,154.57/2,858,814.86 = 1,255,769.34/x
  3. Step 3: Cross multiply
    2,072,154.57x = 2,858,814.86 × 1,255,769.34
  4. Step 4: Simplify right side
    2,072,154.57x = 3,590,012,043,645.55
  5. Step 5: Solve for x
    x = 3,590,012,043,645.55/2,072,154.57
  6. Step 6: Final answer
    x = 1,732,502.05

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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.