Home / 2,315,574.20-3,473,975.70-819,510.20

Finding the Fourth Proportional to 2,315,574.20, 3,473,975.70 and 819,510.20

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Solution

The fourth proportional to 2,315,574.20, 3,473,975.70 and 819,510.20 is: 1,229,482.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,574.20 : 3,473,975.70 = 819,510.20 : x
  2. Step 2: Convert to fraction form
    2,315,574.20/3,473,975.70 = 819,510.20/x
  3. Step 3: Cross multiply
    2,315,574.20x = 3,473,975.70 × 819,510.20
  4. Step 4: Simplify right side
    2,315,574.20x = 2,846,958,520,702.14
  5. Step 5: Solve for x
    x = 2,846,958,520,702.14/2,315,574.20
  6. Step 6: Final answer
    x = 1,229,482.74

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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.