Home / 1,994,743.80-2,990,147.40-983,037.60

Finding the Fourth Proportional to 1,994,743.80, 2,990,147.40 and 983,037.60

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Solution

The fourth proportional to 1,994,743.80, 2,990,147.40 and 983,037.60 is: 1,473,586.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,743.80 : 2,990,147.40 = 983,037.60 : x
  2. Step 2: Convert to fraction form
    1,994,743.80/2,990,147.40 = 983,037.60/x
  3. Step 3: Cross multiply
    1,994,743.80x = 2,990,147.40 × 983,037.60
  4. Step 4: Simplify right side
    1,994,743.80x = 2,939,427,323,742.24
  5. Step 5: Solve for x
    x = 2,939,427,323,742.24/1,994,743.80
  6. Step 6: Final answer
    x = 1,473,586.39

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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.