Home / 3,678,642.80-5,076,969-2,228,295.68

Finding the Fourth Proportional to 3,678,642.80, 5,076,969 and 2,228,295.68

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Solution

The fourth proportional to 3,678,642.80, 5,076,969 and 2,228,295.68 is: 3,075,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,678,642.80 : 5,076,969 = 2,228,295.68 : x
  2. Step 2: Convert to fraction form
    3,678,642.80/5,076,969 = 2,228,295.68/x
  3. Step 3: Cross multiply
    3,678,642.80x = 5,076,969 × 2,228,295.68
  4. Step 4: Simplify right side
    3,678,642.80x = 11,312,988,090,193.92
  5. Step 5: Solve for x
    x = 11,312,988,090,193.92/3,678,642.80
  6. Step 6: Final answer
    x = 3,075,315.74

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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.