Home / 2,993,343.80-4,490,015.70-863,497.40

Finding the Fourth Proportional to 2,993,343.80, 4,490,015.70 and 863,497.40

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Solution

The fourth proportional to 2,993,343.80, 4,490,015.70 and 863,497.40 is: 1,295,246.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,993,343.80 : 4,490,015.70 = 863,497.40 : x
  2. Step 2: Convert to fraction form
    2,993,343.80/4,490,015.70 = 863,497.40/x
  3. Step 3: Cross multiply
    2,993,343.80x = 4,490,015.70 × 863,497.40
  4. Step 4: Simplify right side
    2,993,343.80x = 3,877,116,882,909.18
  5. Step 5: Solve for x
    x = 3,877,116,882,909.18/2,993,343.80
  6. Step 6: Final answer
    x = 1,295,246.10

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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.