Home / 2,219,811-3,063,341.91-1,201,215.75

Finding the Fourth Proportional to 2,219,811, 3,063,341.91 and 1,201,215.75

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Solution

The fourth proportional to 2,219,811, 3,063,341.91 and 1,201,215.75 is: 1,657,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219,811 : 3,063,341.91 = 1,201,215.75 : x
  2. Step 2: Convert to fraction form
    2,219,811/3,063,341.91 = 1,201,215.75/x
  3. Step 3: Cross multiply
    2,219,811x = 3,063,341.91 × 1,201,215.75
  4. Step 4: Simplify right side
    2,219,811x = 3,679,734,549,927.08
  5. Step 5: Solve for x
    x = 3,679,734,549,927.08/2,219,811
  6. Step 6: Final answer
    x = 1,657,679.21

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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.