Home / 3,072,703.80-4,609,055.70-1,478,380.80

Finding the Fourth Proportional to 3,072,703.80, 4,609,055.70 and 1,478,380.80

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Solution

The fourth proportional to 3,072,703.80, 4,609,055.70 and 1,478,380.80 is: 2,217,571.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,703.80 : 4,609,055.70 = 1,478,380.80 : x
  2. Step 2: Convert to fraction form
    3,072,703.80/4,609,055.70 = 1,478,380.80/x
  3. Step 3: Cross multiply
    3,072,703.80x = 4,609,055.70 × 1,478,380.80
  4. Step 4: Simplify right side
    3,072,703.80x = 6,813,939,453,010.56
  5. Step 5: Solve for x
    x = 6,813,939,453,010.56/3,072,703.80
  6. Step 6: Final answer
    x = 2,217,571.20

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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.