Home / 1,993,678.58-2,750,457.25-1,478,699.48

Finding the Fourth Proportional to 1,993,678.58, 2,750,457.25 and 1,478,699.48

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Solution

The fourth proportional to 1,993,678.58, 2,750,457.25 and 1,478,699.48 is: 2,039,997.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,678.58 : 2,750,457.25 = 1,478,699.48 : x
  2. Step 2: Convert to fraction form
    1,993,678.58/2,750,457.25 = 1,478,699.48/x
  3. Step 3: Cross multiply
    1,993,678.58x = 2,750,457.25 × 1,478,699.48
  4. Step 4: Simplify right side
    1,993,678.58x = 4,067,099,705,337.23
  5. Step 5: Solve for x
    x = 4,067,099,705,337.23/1,993,678.58
  6. Step 6: Final answer
    x = 2,039,997.69

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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.