Home / 2,590,243.20-3,885,364.80-2,573,654.40

Finding the Fourth Proportional to 2,590,243.20, 3,885,364.80 and 2,573,654.40

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Solution

The fourth proportional to 2,590,243.20, 3,885,364.80 and 2,573,654.40 is: 3,860,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,590,243.20 : 3,885,364.80 = 2,573,654.40 : x
  2. Step 2: Convert to fraction form
    2,590,243.20/3,885,364.80 = 2,573,654.40/x
  3. Step 3: Cross multiply
    2,590,243.20x = 3,885,364.80 × 2,573,654.40
  4. Step 4: Simplify right side
    2,590,243.20x = 9,999,586,213,125.12
  5. Step 5: Solve for x
    x = 9,999,586,213,125.12/2,590,243.20
  6. Step 6: Final answer
    x = 3,860,481.60

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Similar ratio
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1.5x scale

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.