Home / 2,479,949.90-3,720,063.42-774,328.76

Finding the Fourth Proportional to 2,479,949.90, 3,720,063.42 and 774,328.76

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Solution

The fourth proportional to 2,479,949.90, 3,720,063.42 and 774,328.76 is: 1,161,536.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,479,949.90 : 3,720,063.42 = 774,328.76 : x
  2. Step 2: Convert to fraction form
    2,479,949.90/3,720,063.42 = 774,328.76/x
  3. Step 3: Cross multiply
    2,479,949.90x = 3,720,063.42 × 774,328.76
  4. Step 4: Simplify right side
    2,479,949.90x = 2,880,552,076,529.64
  5. Step 5: Solve for x
    x = 2,880,552,076,529.64/2,479,949.90
  6. Step 6: Final answer
    x = 1,161,536.40

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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.