Home / 2,000,156.42-3,000,416.92-651,972.98

Finding the Fourth Proportional to 2,000,156.42, 3,000,416.92 and 651,972.98

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Solution

The fourth proportional to 2,000,156.42, 3,000,416.92 and 651,972.98 is: 978,018.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,000,156.42 : 3,000,416.92 = 651,972.98 : x
  2. Step 2: Convert to fraction form
    2,000,156.42/3,000,416.92 = 651,972.98/x
  3. Step 3: Cross multiply
    2,000,156.42x = 3,000,416.92 × 651,972.98
  4. Step 4: Simplify right side
    2,000,156.42x = 1,956,190,745,572.74
  5. Step 5: Solve for x
    x = 1,956,190,745,572.74/2,000,156.42
  6. Step 6: Final answer
    x = 978,018.88

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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.