Home / 3,012,112.36-4,156,765.86-1,654,111.72

Finding the Fourth Proportional to 3,012,112.36, 4,156,765.86 and 1,654,111.72

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Solution

The fourth proportional to 3,012,112.36, 4,156,765.86 and 1,654,111.72 is: 2,282,702.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,012,112.36 : 4,156,765.86 = 1,654,111.72 : x
  2. Step 2: Convert to fraction form
    3,012,112.36/4,156,765.86 = 1,654,111.72/x
  3. Step 3: Cross multiply
    3,012,112.36x = 4,156,765.86 × 1,654,111.72
  4. Step 4: Simplify right side
    3,012,112.36x = 6,875,755,126,321.88
  5. Step 5: Solve for x
    x = 6,875,755,126,321.88/3,012,112.36
  6. Step 6: Final answer
    x = 2,282,702.07

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1.5x scale

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.