Home / 2,858,820.21-4,287,320.95-939,288.98

Finding the Fourth Proportional to 2,858,820.21, 4,287,320.95 and 939,288.98

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Solution

The fourth proportional to 2,858,820.21, 4,287,320.95 and 939,288.98 is: 1,408,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858,820.21 : 4,287,320.95 = 939,288.98 : x
  2. Step 2: Convert to fraction form
    2,858,820.21/4,287,320.95 = 939,288.98/x
  3. Step 3: Cross multiply
    2,858,820.21x = 4,287,320.95 × 939,288.98
  4. Step 4: Simplify right side
    2,858,820.21x = 4,027,033,333,950.55
  5. Step 5: Solve for x
    x = 4,027,033,333,950.55/2,858,820.21
  6. Step 6: Final answer
    x = 1,408,634.70

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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.