Home / 3,438,675.12-4,745,420.79-1,890,079.98

Finding the Fourth Proportional to 3,438,675.12, 4,745,420.79 and 1,890,079.98

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Solution

The fourth proportional to 3,438,675.12, 4,745,420.79 and 1,890,079.98 is: 2,608,337.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,675.12 : 4,745,420.79 = 1,890,079.98 : x
  2. Step 2: Convert to fraction form
    3,438,675.12/4,745,420.79 = 1,890,079.98/x
  3. Step 3: Cross multiply
    3,438,675.12x = 4,745,420.79 × 1,890,079.98
  4. Step 4: Simplify right side
    3,438,675.12x = 8,969,224,831,854.79
  5. Step 5: Solve for x
    x = 8,969,224,831,854.79/3,438,675.12
  6. Step 6: Final answer
    x = 2,608,337.37

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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.