Home / 5,877,785.40-8,816,678.10-2,091,391.80

Finding the Fourth Proportional to 5,877,785.40, 8,816,678.10 and 2,091,391.80

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Solution

The fourth proportional to 5,877,785.40, 8,816,678.10 and 2,091,391.80 is: 3,137,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,877,785.40 : 8,816,678.10 = 2,091,391.80 : x
  2. Step 2: Convert to fraction form
    5,877,785.40/8,816,678.10 = 2,091,391.80/x
  3. Step 3: Cross multiply
    5,877,785.40x = 8,816,678.10 × 2,091,391.80
  4. Step 4: Simplify right side
    5,877,785.40x = 18,439,128,281,579.58
  5. Step 5: Solve for x
    x = 18,439,128,281,579.58/5,877,785.40
  6. Step 6: Final answer
    x = 3,137,087.70

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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.