Home / 1,938,675-2,908,277.46-676,313.40

Finding the Fourth Proportional to 1,938,675, 2,908,277.46 and 676,313.40

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Solution

The fourth proportional to 1,938,675, 2,908,277.46 and 676,313.40 is: 1,014,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,675 : 2,908,277.46 = 676,313.40 : x
  2. Step 2: Convert to fraction form
    1,938,675/2,908,277.46 = 676,313.40/x
  3. Step 3: Cross multiply
    1,938,675x = 2,908,277.46 × 676,313.40
  4. Step 4: Simplify right side
    1,938,675x = 1,966,907,017,115.96
  5. Step 5: Solve for x
    x = 1,966,907,017,115.96/1,938,675
  6. Step 6: Final answer
    x = 1,014,562.53

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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.