Home / 1,994,416.20-2,988,125.10-1,637,497.80

Finding the Fourth Proportional to 1,994,416.20, 2,988,125.10 and 1,637,497.80

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Solution

The fourth proportional to 1,994,416.20, 2,988,125.10 and 1,637,497.80 is: 2,453,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,416.20 : 2,988,125.10 = 1,637,497.80 : x
  2. Step 2: Convert to fraction form
    1,994,416.20/2,988,125.10 = 1,637,497.80/x
  3. Step 3: Cross multiply
    1,994,416.20x = 2,988,125.10 × 1,637,497.80
  4. Step 4: Simplify right side
    1,994,416.20x = 4,893,048,277,374.78
  5. Step 5: Solve for x
    x = 4,893,048,277,374.78/1,994,416.20
  6. Step 6: Final answer
    x = 2,453,373.71

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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.