Home / 3,977,142-5,488,455.96-2,166,306

Finding the Fourth Proportional to 3,977,142, 5,488,455.96 and 2,166,306

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Solution

The fourth proportional to 3,977,142, 5,488,455.96 and 2,166,306 is: 2,989,502.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,977,142 : 5,488,455.96 = 2,166,306 : x
  2. Step 2: Convert to fraction form
    3,977,142/5,488,455.96 = 2,166,306/x
  3. Step 3: Cross multiply
    3,977,142x = 5,488,455.96 × 2,166,306
  4. Step 4: Simplify right side
    3,977,142x = 11,889,675,076,883.76
  5. Step 5: Solve for x
    x = 11,889,675,076,883.76/3,977,142
  6. Step 6: Final answer
    x = 2,989,502.28

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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.