Home / 1,816,887.20-2,731,235.70-1,557,071.60

Finding the Fourth Proportional to 1,816,887.20, 2,731,235.70 and 1,557,071.60

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Solution

The fourth proportional to 1,816,887.20, 2,731,235.70 and 1,557,071.60 is: 2,340,667.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816,887.20 : 2,731,235.70 = 1,557,071.60 : x
  2. Step 2: Convert to fraction form
    1,816,887.20/2,731,235.70 = 1,557,071.60/x
  3. Step 3: Cross multiply
    1,816,887.20x = 2,731,235.70 × 1,557,071.60
  4. Step 4: Simplify right side
    1,816,887.20x = 4,252,729,541,376.12
  5. Step 5: Solve for x
    x = 4,252,729,541,376.12/1,816,887.20
  6. Step 6: Final answer
    x = 2,340,667.90

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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.