Home / 1,938,716.08-2,673,686.52-1,213,629.90

Finding the Fourth Proportional to 1,938,716.08, 2,673,686.52 and 1,213,629.90

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Solution

The fourth proportional to 1,938,716.08, 2,673,686.52 and 1,213,629.90 is: 1,673,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,716.08 : 2,673,686.52 = 1,213,629.90 : x
  2. Step 2: Convert to fraction form
    1,938,716.08/2,673,686.52 = 1,213,629.90/x
  3. Step 3: Cross multiply
    1,938,716.08x = 2,673,686.52 × 1,213,629.90
  4. Step 4: Simplify right side
    1,938,716.08x = 3,244,865,903,898.95
  5. Step 5: Solve for x
    x = 3,244,865,903,898.95/1,938,716.08
  6. Step 6: Final answer
    x = 1,673,718.98

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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.