Home / 2,963,141.92-4,089,136.80-1,605,015.52

Finding the Fourth Proportional to 2,963,141.92, 4,089,136.80 and 1,605,015.52

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Solution

The fourth proportional to 2,963,141.92, 4,089,136.80 and 1,605,015.52 is: 2,214,921.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963,141.92 : 4,089,136.80 = 1,605,015.52 : x
  2. Step 2: Convert to fraction form
    2,963,141.92/4,089,136.80 = 1,605,015.52/x
  3. Step 3: Cross multiply
    2,963,141.92x = 4,089,136.80 × 1,605,015.52
  4. Step 4: Simplify right side
    2,963,141.92x = 6,563,128,027,403.14
  5. Step 5: Solve for x
    x = 6,563,128,027,403.14/2,963,141.92
  6. Step 6: Final answer
    x = 2,214,921.93

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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.