Home / 2,109,702.07-3,164,553.11-512,254.40

Finding the Fourth Proportional to 2,109,702.07, 3,164,553.11 and 512,254.40

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Solution

The fourth proportional to 2,109,702.07, 3,164,553.11 and 512,254.40 is: 768,381.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,702.07 : 3,164,553.11 = 512,254.40 : x
  2. Step 2: Convert to fraction form
    2,109,702.07/3,164,553.11 = 512,254.40/x
  3. Step 3: Cross multiply
    2,109,702.07x = 3,164,553.11 × 512,254.40
  4. Step 4: Simplify right side
    2,109,702.07x = 1,621,056,263,823.20
  5. Step 5: Solve for x
    x = 1,621,056,263,823.20/2,109,702.07
  6. Step 6: Final answer
    x = 768,381.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.