Home / 2,028,828.70-2,802,699.93-1,620,394.30

Finding the Fourth Proportional to 2,028,828.70, 2,802,699.93 and 1,620,394.30

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Solution

The fourth proportional to 2,028,828.70, 2,802,699.93 and 1,620,394.30 is: 2,238,473.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,828.70 : 2,802,699.93 = 1,620,394.30 : x
  2. Step 2: Convert to fraction form
    2,028,828.70/2,802,699.93 = 1,620,394.30/x
  3. Step 3: Cross multiply
    2,028,828.70x = 2,802,699.93 × 1,620,394.30
  4. Step 4: Simplify right side
    2,028,828.70x = 4,541,478,991,182.40
  5. Step 5: Solve for x
    x = 4,541,478,991,182.40/2,028,828.70
  6. Step 6: Final answer
    x = 2,238,473.36

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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.