Home / 1,914,218.85-2,641,738.02-1,054,778.07

Finding the Fourth Proportional to 1,914,218.85, 2,641,738.02 and 1,054,778.07

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Solution

The fourth proportional to 1,914,218.85, 2,641,738.02 and 1,054,778.07 is: 1,455,657.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,914,218.85 : 2,641,738.02 = 1,054,778.07 : x
  2. Step 2: Convert to fraction form
    1,914,218.85/2,641,738.02 = 1,054,778.07/x
  3. Step 3: Cross multiply
    1,914,218.85x = 2,641,738.02 × 1,054,778.07
  4. Step 4: Simplify right side
    1,914,218.85x = 2,786,447,330,181.22
  5. Step 5: Solve for x
    x = 2,786,447,330,181.22/1,914,218.85
  6. Step 6: Final answer
    x = 1,455,657.66

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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.