Home / 1,969,800.90-2,952,652.80-831,613.20

Finding the Fourth Proportional to 1,969,800.90, 2,952,652.80 and 831,613.20

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Solution

The fourth proportional to 1,969,800.90, 2,952,652.80 and 831,613.20 is: 1,246,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,800.90 : 2,952,652.80 = 831,613.20 : x
  2. Step 2: Convert to fraction form
    1,969,800.90/2,952,652.80 = 831,613.20/x
  3. Step 3: Cross multiply
    1,969,800.90x = 2,952,652.80 × 831,613.20
  4. Step 4: Simplify right side
    1,969,800.90x = 2,455,465,043,496.96
  5. Step 5: Solve for x
    x = 2,455,465,043,496.96/1,969,800.90
  6. Step 6: Final answer
    x = 1,246,554.94

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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.