Home / 2,913,116.90-4,369,675.35-1,318,793.90

Finding the Fourth Proportional to 2,913,116.90, 4,369,675.35 and 1,318,793.90

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Solution

The fourth proportional to 2,913,116.90, 4,369,675.35 and 1,318,793.90 is: 1,978,190.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913,116.90 : 4,369,675.35 = 1,318,793.90 : x
  2. Step 2: Convert to fraction form
    2,913,116.90/4,369,675.35 = 1,318,793.90/x
  3. Step 3: Cross multiply
    2,913,116.90x = 4,369,675.35 × 1,318,793.90
  4. Step 4: Simplify right side
    2,913,116.90x = 5,762,701,196,560.36
  5. Step 5: Solve for x
    x = 5,762,701,196,560.36/2,913,116.90
  6. Step 6: Final answer
    x = 1,978,190.85

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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.