Home / 2,879,320.86-4,315,659.66-1,081,057.32

Finding the Fourth Proportional to 2,879,320.86, 4,315,659.66 and 1,081,057.32

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Solution

The fourth proportional to 2,879,320.86, 4,315,659.66 and 1,081,057.32 is: 1,620,338.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,879,320.86 : 4,315,659.66 = 1,081,057.32 : x
  2. Step 2: Convert to fraction form
    2,879,320.86/4,315,659.66 = 1,081,057.32/x
  3. Step 3: Cross multiply
    2,879,320.86x = 4,315,659.66 × 1,081,057.32
  4. Step 4: Simplify right side
    2,879,320.86x = 4,665,475,466,071.71
  5. Step 5: Solve for x
    x = 4,665,475,466,071.71/2,879,320.86
  6. Step 6: Final answer
    x = 1,620,338.86

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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.