Home / 1,995,445.80-2,991,200.40-983,739.60

Finding the Fourth Proportional to 1,995,445.80, 2,991,200.40 and 983,739.60

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Solution

The fourth proportional to 1,995,445.80, 2,991,200.40 and 983,739.60 is: 1,474,639.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995,445.80 : 2,991,200.40 = 983,739.60 : x
  2. Step 2: Convert to fraction form
    1,995,445.80/2,991,200.40 = 983,739.60/x
  3. Step 3: Cross multiply
    1,995,445.80x = 2,991,200.40 × 983,739.60
  4. Step 4: Simplify right side
    1,995,445.80x = 2,942,562,285,015.84
  5. Step 5: Solve for x
    x = 2,942,562,285,015.84/1,995,445.80
  6. Step 6: Final answer
    x = 1,474,639.04

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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.