Home / 2,018,031.90-2,783,170.65-1,705,236.18

Finding the Fourth Proportional to 2,018,031.90, 2,783,170.65 and 1,705,236.18

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Solution

The fourth proportional to 2,018,031.90, 2,783,170.65 and 1,705,236.18 is: 2,351,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,031.90 : 2,783,170.65 = 1,705,236.18 : x
  2. Step 2: Convert to fraction form
    2,018,031.90/2,783,170.65 = 1,705,236.18/x
  3. Step 3: Cross multiply
    2,018,031.90x = 2,783,170.65 × 1,705,236.18
  4. Step 4: Simplify right side
    2,018,031.90x = 4,745,963,287,494.12
  5. Step 5: Solve for x
    x = 4,745,963,287,494.12/2,018,031.90
  6. Step 6: Final answer
    x = 2,351,778.13

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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.