Home / 1,928,916.48-2,892,441.60-666,301.44

Finding the Fourth Proportional to 1,928,916.48, 2,892,441.60 and 666,301.44

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Solution

The fourth proportional to 1,928,916.48, 2,892,441.60 and 666,301.44 is: 999,129.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,928,916.48 : 2,892,441.60 = 666,301.44 : x
  2. Step 2: Convert to fraction form
    1,928,916.48/2,892,441.60 = 666,301.44/x
  3. Step 3: Cross multiply
    1,928,916.48x = 2,892,441.60 × 666,301.44
  4. Step 4: Simplify right side
    1,928,916.48x = 1,927,238,003,195.90
  5. Step 5: Solve for x
    x = 1,927,238,003,195.90/1,928,916.48
  6. Step 6: Final answer
    x = 999,129.83

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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.