Home / 2,918,871.12-4,028,004-1,629,733.44

Finding the Fourth Proportional to 2,918,871.12, 4,028,004 and 1,629,733.44

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Solution

The fourth proportional to 2,918,871.12, 4,028,004 and 1,629,733.44 is: 2,249,010.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,918,871.12 : 4,028,004 = 1,629,733.44 : x
  2. Step 2: Convert to fraction form
    2,918,871.12/4,028,004 = 1,629,733.44/x
  3. Step 3: Cross multiply
    2,918,871.12x = 4,028,004 × 1,629,733.44
  4. Step 4: Simplify right side
    2,918,871.12x = 6,564,572,815,253.76
  5. Step 5: Solve for x
    x = 6,564,572,815,253.76/2,918,871.12
  6. Step 6: Final answer
    x = 2,249,010.85

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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.