Home / 3,109,155.76-4,664,370.30-1,312,039.54

Finding the Fourth Proportional to 3,109,155.76, 4,664,370.30 and 1,312,039.54

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Solution

The fourth proportional to 3,109,155.76, 4,664,370.30 and 1,312,039.54 is: 1,968,327.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,155.76 : 4,664,370.30 = 1,312,039.54 : x
  2. Step 2: Convert to fraction form
    3,109,155.76/4,664,370.30 = 1,312,039.54/x
  3. Step 3: Cross multiply
    3,109,155.76x = 4,664,370.30 × 1,312,039.54
  4. Step 4: Simplify right side
    3,109,155.76x = 6,119,838,262,801.66
  5. Step 5: Solve for x
    x = 6,119,838,262,801.66/3,109,155.76
  6. Step 6: Final answer
    x = 1,968,327.98

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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.