Home / 3,037,878.40-4,556,817.60-2,990,639.20

Finding the Fourth Proportional to 3,037,878.40, 4,556,817.60 and 2,990,639.20

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Solution

The fourth proportional to 3,037,878.40, 4,556,817.60 and 2,990,639.20 is: 4,485,958.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,037,878.40 : 4,556,817.60 = 2,990,639.20 : x
  2. Step 2: Convert to fraction form
    3,037,878.40/4,556,817.60 = 2,990,639.20/x
  3. Step 3: Cross multiply
    3,037,878.40x = 4,556,817.60 × 2,990,639.20
  4. Step 4: Simplify right side
    3,037,878.40x = 13,627,797,341,809.92
  5. Step 5: Solve for x
    x = 13,627,797,341,809.92/3,037,878.40
  6. Step 6: Final answer
    x = 4,485,958.80

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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.