Home / 3,032,390-4,179,714.72-2,149,640

Finding the Fourth Proportional to 3,032,390, 4,179,714.72 and 2,149,640

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Solution

The fourth proportional to 3,032,390, 4,179,714.72 and 2,149,640 is: 2,962,970.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,032,390 : 4,179,714.72 = 2,149,640 : x
  2. Step 2: Convert to fraction form
    3,032,390/4,179,714.72 = 2,149,640/x
  3. Step 3: Cross multiply
    3,032,390x = 4,179,714.72 × 2,149,640
  4. Step 4: Simplify right side
    3,032,390x = 8,984,881,950,700.80
  5. Step 5: Solve for x
    x = 8,984,881,950,700.80/3,032,390
  6. Step 6: Final answer
    x = 2,962,970.45

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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.