Home / 5,877,784.40-8,816,676.60-2,091,390.80

Finding the Fourth Proportional to 5,877,784.40, 8,816,676.60 and 2,091,390.80

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Solution

The fourth proportional to 5,877,784.40, 8,816,676.60 and 2,091,390.80 is: 3,137,086.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877,784.40 : 8,816,676.60 = 2,091,390.80 : x
  2. Step 2: Convert to fraction form
    5,877,784.40/8,816,676.60 = 2,091,390.80/x
  3. Step 3: Cross multiply
    5,877,784.40x = 8,816,676.60 × 2,091,390.80
  4. Step 4: Simplify right side
    5,877,784.40x = 18,439,116,327,815.28
  5. Step 5: Solve for x
    x = 18,439,116,327,815.28/5,877,784.40
  6. Step 6: Final answer
    x = 3,137,086.20

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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.