Home / 3,387,619.80-4,675,008.90-1,917,411.48

Finding the Fourth Proportional to 3,387,619.80, 4,675,008.90 and 1,917,411.48

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Solution

The fourth proportional to 3,387,619.80, 4,675,008.90 and 1,917,411.48 is: 2,646,080.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387,619.80 : 4,675,008.90 = 1,917,411.48 : x
  2. Step 2: Convert to fraction form
    3,387,619.80/4,675,008.90 = 1,917,411.48/x
  3. Step 3: Cross multiply
    3,387,619.80x = 4,675,008.90 × 1,917,411.48
  4. Step 4: Simplify right side
    3,387,619.80x = 8,963,915,733,962.17
  5. Step 5: Solve for x
    x = 8,963,915,733,962.17/3,387,619.80
  6. Step 6: Final answer
    x = 2,646,080.81

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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.