Home / 2,776,810.40-4,165,215.60-2,619,346.40

Finding the Fourth Proportional to 2,776,810.40, 4,165,215.60 and 2,619,346.40

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Solution

The fourth proportional to 2,776,810.40, 4,165,215.60 and 2,619,346.40 is: 3,929,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776,810.40 : 4,165,215.60 = 2,619,346.40 : x
  2. Step 2: Convert to fraction form
    2,776,810.40/4,165,215.60 = 2,619,346.40/x
  3. Step 3: Cross multiply
    2,776,810.40x = 4,165,215.60 × 2,619,346.40
  4. Step 4: Simplify right side
    2,776,810.40x = 10,910,142,487,083.84
  5. Step 5: Solve for x
    x = 10,910,142,487,083.84/2,776,810.40
  6. Step 6: Final answer
    x = 3,929,019.60

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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.