Home / 2,798,877.67-3,863,642.93-1,881,638.80

Finding the Fourth Proportional to 2,798,877.67, 3,863,642.93 and 1,881,638.80

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Solution

The fourth proportional to 2,798,877.67, 3,863,642.93 and 1,881,638.80 is: 2,597,462.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,877.67 : 3,863,642.93 = 1,881,638.80 : x
  2. Step 2: Convert to fraction form
    2,798,877.67/3,863,642.93 = 1,881,638.80/x
  3. Step 3: Cross multiply
    2,798,877.67x = 3,863,642.93 × 1,881,638.80
  4. Step 4: Simplify right side
    2,798,877.67x = 7,269,980,446,433.69
  5. Step 5: Solve for x
    x = 7,269,980,446,433.69/2,798,877.67
  6. Step 6: Final answer
    x = 2,597,462.73

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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.