Home / 4,878,000.40-7,317,000.60-3,177,389.20

Finding the Fourth Proportional to 4,878,000.40, 7,317,000.60 and 3,177,389.20

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Solution

The fourth proportional to 4,878,000.40, 7,317,000.60 and 3,177,389.20 is: 4,766,083.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878,000.40 : 7,317,000.60 = 3,177,389.20 : x
  2. Step 2: Convert to fraction form
    4,878,000.40/7,317,000.60 = 3,177,389.20/x
  3. Step 3: Cross multiply
    4,878,000.40x = 7,317,000.60 × 3,177,389.20
  4. Step 4: Simplify right side
    4,878,000.40x = 23,248,958,682,833.52
  5. Step 5: Solve for x
    x = 23,248,958,682,833.52/4,878,000.40
  6. Step 6: Final answer
    x = 4,766,083.80

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1.5x scale

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.