Home / 1,915,231.80-2,872,847.70-1,600,303.80

Finding the Fourth Proportional to 1,915,231.80, 2,872,847.70 and 1,600,303.80

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Solution

The fourth proportional to 1,915,231.80, 2,872,847.70 and 1,600,303.80 is: 2,400,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,915,231.80 : 2,872,847.70 = 1,600,303.80 : x
  2. Step 2: Convert to fraction form
    1,915,231.80/2,872,847.70 = 1,600,303.80/x
  3. Step 3: Cross multiply
    1,915,231.80x = 2,872,847.70 × 1,600,303.80
  4. Step 4: Simplify right side
    1,915,231.80x = 4,597,429,091,131.26
  5. Step 5: Solve for x
    x = 4,597,429,091,131.26/1,915,231.80
  6. Step 6: Final answer
    x = 2,400,455.70

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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.