Home / 1,490,692.60-2,237,151.84-1,107,326.69

Finding the Fourth Proportional to 1,490,692.60, 2,237,151.84 and 1,107,326.69

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Solution

The fourth proportional to 1,490,692.60, 2,237,151.84 and 1,107,326.69 is: 1,661,816.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,692.60 : 2,237,151.84 = 1,107,326.69 : x
  2. Step 2: Convert to fraction form
    1,490,692.60/2,237,151.84 = 1,107,326.69/x
  3. Step 3: Cross multiply
    1,490,692.60x = 2,237,151.84 × 1,107,326.69
  4. Step 4: Simplify right side
    1,490,692.60x = 2,477,257,942,014.61
  5. Step 5: Solve for x
    x = 2,477,257,942,014.61/1,490,692.60
  6. Step 6: Final answer
    x = 1,661,816.76

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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.