Home / 3,678,395-5,076,887.60-2,435,815.20

Finding the Fourth Proportional to 3,678,395, 5,076,887.60 and 2,435,815.20

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Solution

The fourth proportional to 3,678,395, 5,076,887.60 and 2,435,815.20 is: 3,361,890.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,395 : 5,076,887.60 = 2,435,815.20 : x
  2. Step 2: Convert to fraction form
    3,678,395/5,076,887.60 = 2,435,815.20/x
  3. Step 3: Cross multiply
    3,678,395x = 5,076,887.60 × 2,435,815.20
  4. Step 4: Simplify right side
    3,678,395x = 12,366,359,984,771.52
  5. Step 5: Solve for x
    x = 12,366,359,984,771.52/3,678,395
  6. Step 6: Final answer
    x = 3,361,890.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.