Home / 2,807,079.49-3,873,792.77-1,549,807.21

Finding the Fourth Proportional to 2,807,079.49, 3,873,792.77 and 1,549,807.21

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Solution

The fourth proportional to 2,807,079.49, 3,873,792.77 and 1,549,807.21 is: 2,138,746.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,079.49 : 3,873,792.77 = 1,549,807.21 : x
  2. Step 2: Convert to fraction form
    2,807,079.49/3,873,792.77 = 1,549,807.21/x
  3. Step 3: Cross multiply
    2,807,079.49x = 3,873,792.77 × 1,549,807.21
  4. Step 4: Simplify right side
    2,807,079.49x = 6,003,631,964,991.87
  5. Step 5: Solve for x
    x = 6,003,631,964,991.87/2,807,079.49
  6. Step 6: Final answer
    x = 2,138,746.69

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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.