Home / 4,120,803.40-6,181,205.10-1,881,315.40

Finding the Fourth Proportional to 4,120,803.40, 6,181,205.10 and 1,881,315.40

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Solution

The fourth proportional to 4,120,803.40, 6,181,205.10 and 1,881,315.40 is: 2,821,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120,803.40 : 6,181,205.10 = 1,881,315.40 : x
  2. Step 2: Convert to fraction form
    4,120,803.40/6,181,205.10 = 1,881,315.40/x
  3. Step 3: Cross multiply
    4,120,803.40x = 6,181,205.10 × 1,881,315.40
  4. Step 4: Simplify right side
    4,120,803.40x = 11,628,796,345,188.54
  5. Step 5: Solve for x
    x = 11,628,796,345,188.54/4,120,803.40
  6. Step 6: Final answer
    x = 2,821,973.10

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Similar ratio
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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.