Home / 2,927,833.68-4,039,489.80-1,638,469.20

Finding the Fourth Proportional to 2,927,833.68, 4,039,489.80 and 1,638,469.20

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Solution

The fourth proportional to 2,927,833.68, 4,039,489.80 and 1,638,469.20 is: 2,260,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,927,833.68 : 4,039,489.80 = 1,638,469.20 : x
  2. Step 2: Convert to fraction form
    2,927,833.68/4,039,489.80 = 1,638,469.20/x
  3. Step 3: Cross multiply
    2,927,833.68x = 4,039,489.80 × 1,638,469.20
  4. Step 4: Simplify right side
    2,927,833.68x = 6,618,579,621,014.16
  5. Step 5: Solve for x
    x = 6,618,579,621,014.16/2,927,833.68
  6. Step 6: Final answer
    x = 2,260,572.27

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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.