Home / 2,807,405.70-4,211,108.55-2,765,415.30

Finding the Fourth Proportional to 2,807,405.70, 4,211,108.55 and 2,765,415.30

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Solution

The fourth proportional to 2,807,405.70, 4,211,108.55 and 2,765,415.30 is: 4,148,122.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,807,405.70 : 4,211,108.55 = 2,765,415.30 : x
  2. Step 2: Convert to fraction form
    2,807,405.70/4,211,108.55 = 2,765,415.30/x
  3. Step 3: Cross multiply
    2,807,405.70x = 4,211,108.55 × 2,765,415.30
  4. Step 4: Simplify right side
    2,807,405.70x = 11,645,464,014,130.81
  5. Step 5: Solve for x
    x = 11,645,464,014,130.81/2,807,405.70
  6. Step 6: Final answer
    x = 4,148,122.95

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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.