Home / 2,187,133.60-3,280,700.40-2,013,923.20

Finding the Fourth Proportional to 2,187,133.60, 3,280,700.40 and 2,013,923.20

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Solution

The fourth proportional to 2,187,133.60, 3,280,700.40 and 2,013,923.20 is: 3,020,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,133.60 : 3,280,700.40 = 2,013,923.20 : x
  2. Step 2: Convert to fraction form
    2,187,133.60/3,280,700.40 = 2,013,923.20/x
  3. Step 3: Cross multiply
    2,187,133.60x = 3,280,700.40 × 2,013,923.20
  4. Step 4: Simplify right side
    2,187,133.60x = 6,607,078,647,809.28
  5. Step 5: Solve for x
    x = 6,607,078,647,809.28/2,187,133.60
  6. Step 6: Final answer
    x = 3,020,884.80

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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.