Home / 2,254,235.72-3,110,882.88-1,221,776.48

Finding the Fourth Proportional to 2,254,235.72, 3,110,882.88 and 1,221,776.48

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Solution

The fourth proportional to 2,254,235.72, 3,110,882.88 and 1,221,776.48 is: 1,686,071.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254,235.72 : 3,110,882.88 = 1,221,776.48 : x
  2. Step 2: Convert to fraction form
    2,254,235.72/3,110,882.88 = 1,221,776.48/x
  3. Step 3: Cross multiply
    2,254,235.72x = 3,110,882.88 × 1,221,776.48
  4. Step 4: Simplify right side
    2,254,235.72x = 3,800,803,534,818.66
  5. Step 5: Solve for x
    x = 3,800,803,534,818.66/2,254,235.72
  6. Step 6: Final answer
    x = 1,686,071.91

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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.