Home / 3,670,320.40-5,507,448.90-1,540,619.80

Finding the Fourth Proportional to 3,670,320.40, 5,507,448.90 and 1,540,619.80

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Solution

The fourth proportional to 3,670,320.40, 5,507,448.90 and 1,540,619.80 is: 2,311,755.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,670,320.40 : 5,507,448.90 = 1,540,619.80 : x
  2. Step 2: Convert to fraction form
    3,670,320.40/5,507,448.90 = 1,540,619.80/x
  3. Step 3: Cross multiply
    3,670,320.40x = 5,507,448.90 × 1,540,619.80
  4. Step 4: Simplify right side
    3,670,320.40x = 8,484,884,822,828.22
  5. Step 5: Solve for x
    x = 8,484,884,822,828.22/3,670,320.40
  6. Step 6: Final answer
    x = 2,311,755.90

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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.