Home / 3,119,487.94-4,304,155.57-1,811,963.06

Finding the Fourth Proportional to 3,119,487.94, 4,304,155.57 and 1,811,963.06

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Solution

The fourth proportional to 3,119,487.94, 4,304,155.57 and 1,811,963.06 is: 2,500,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,487.94 : 4,304,155.57 = 1,811,963.06 : x
  2. Step 2: Convert to fraction form
    3,119,487.94/4,304,155.57 = 1,811,963.06/x
  3. Step 3: Cross multiply
    3,119,487.94x = 4,304,155.57 × 1,811,963.06
  4. Step 4: Simplify right side
    3,119,487.94x = 7,798,970,894,218.00
  5. Step 5: Solve for x
    x = 7,798,970,894,218.00/3,119,487.94
  6. Step 6: Final answer
    x = 2,500,080.48

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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.