Home / 2,814,974.01-4,221,813.42-1,678,057.20

Finding the Fourth Proportional to 2,814,974.01, 4,221,813.42 and 1,678,057.20

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Solution

The fourth proportional to 2,814,974.01, 4,221,813.42 and 1,678,057.20 is: 2,516,699.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814,974.01 : 4,221,813.42 = 1,678,057.20 : x
  2. Step 2: Convert to fraction form
    2,814,974.01/4,221,813.42 = 1,678,057.20/x
  3. Step 3: Cross multiply
    2,814,974.01x = 4,221,813.42 × 1,678,057.20
  4. Step 4: Simplify right side
    2,814,974.01x = 7,084,444,406,487.62
  5. Step 5: Solve for x
    x = 7,084,444,406,487.62/2,814,974.01
  6. Step 6: Final answer
    x = 2,516,699.76

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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.