Home / 3,141,871.80-4,712,807.70-2,823,007.20

Finding the Fourth Proportional to 3,141,871.80, 4,712,807.70 and 2,823,007.20

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Solution

The fourth proportional to 3,141,871.80, 4,712,807.70 and 2,823,007.20 is: 4,234,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141,871.80 : 4,712,807.70 = 2,823,007.20 : x
  2. Step 2: Convert to fraction form
    3,141,871.80/4,712,807.70 = 2,823,007.20/x
  3. Step 3: Cross multiply
    3,141,871.80x = 4,712,807.70 × 2,823,007.20
  4. Step 4: Simplify right side
    3,141,871.80x = 13,304,290,069,315.44
  5. Step 5: Solve for x
    x = 13,304,290,069,315.44/3,141,871.80
  6. Step 6: Final answer
    x = 4,234,510.80

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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.