Home / 1,938,216.96-2,907,921.06-992,251.98

Finding the Fourth Proportional to 1,938,216.96, 2,907,921.06 and 992,251.98

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Solution

The fourth proportional to 1,938,216.96, 2,907,921.06 and 992,251.98 is: 1,488,682.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,216.96 : 2,907,921.06 = 992,251.98 : x
  2. Step 2: Convert to fraction form
    1,938,216.96/2,907,921.06 = 992,251.98/x
  3. Step 3: Cross multiply
    1,938,216.96x = 2,907,921.06 × 992,251.98
  4. Step 4: Simplify right side
    1,938,216.96x = 2,885,390,429,468.70
  5. Step 5: Solve for x
    x = 2,885,390,429,468.70/1,938,216.96
  6. Step 6: Final answer
    x = 1,488,682.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.