Home / 5,394,966.40-8,092,449.60-1,405,878.40

Finding the Fourth Proportional to 5,394,966.40, 8,092,449.60 and 1,405,878.40

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Solution

The fourth proportional to 5,394,966.40, 8,092,449.60 and 1,405,878.40 is: 2,108,817.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,394,966.40 : 8,092,449.60 = 1,405,878.40 : x
  2. Step 2: Convert to fraction form
    5,394,966.40/8,092,449.60 = 1,405,878.40/x
  3. Step 3: Cross multiply
    5,394,966.40x = 8,092,449.60 × 1,405,878.40
  4. Step 4: Simplify right side
    5,394,966.40x = 11,377,000,095,728.64
  5. Step 5: Solve for x
    x = 11,377,000,095,728.64/5,394,966.40
  6. Step 6: Final answer
    x = 2,108,817.60

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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.