Home / 2,987,749.60-4,476,278.40-1,817,137.60

Finding the Fourth Proportional to 2,987,749.60, 4,476,278.40 and 1,817,137.60

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Solution

The fourth proportional to 2,987,749.60, 4,476,278.40 and 1,817,137.60 is: 2,722,454.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,987,749.60 : 4,476,278.40 = 1,817,137.60 : x
  2. Step 2: Convert to fraction form
    2,987,749.60/4,476,278.40 = 1,817,137.60/x
  3. Step 3: Cross multiply
    2,987,749.60x = 4,476,278.40 × 1,817,137.60
  4. Step 4: Simplify right side
    2,987,749.60x = 8,134,013,788,707.84
  5. Step 5: Solve for x
    x = 8,134,013,788,707.84/2,987,749.60
  6. Step 6: Final answer
    x = 2,722,454.98

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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.