Home / 4,160,415.80-6,240,623.70-1,320,750.20

Finding the Fourth Proportional to 4,160,415.80, 6,240,623.70 and 1,320,750.20

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Solution

The fourth proportional to 4,160,415.80, 6,240,623.70 and 1,320,750.20 is: 1,981,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,160,415.80 : 6,240,623.70 = 1,320,750.20 : x
  2. Step 2: Convert to fraction form
    4,160,415.80/6,240,623.70 = 1,320,750.20/x
  3. Step 3: Cross multiply
    4,160,415.80x = 6,240,623.70 × 1,320,750.20
  4. Step 4: Simplify right side
    4,160,415.80x = 8,242,304,999,899.74
  5. Step 5: Solve for x
    x = 8,242,304,999,899.74/4,160,415.80
  6. Step 6: Final answer
    x = 1,981,125.30

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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.