Home / 1,985,338.94-2,970,493.36-1,176,157.76

Finding the Fourth Proportional to 1,985,338.94, 2,970,493.36 and 1,176,157.76

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Solution

The fourth proportional to 1,985,338.94, 2,970,493.36 and 1,176,157.76 is: 1,759,784.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,338.94 : 2,970,493.36 = 1,176,157.76 : x
  2. Step 2: Convert to fraction form
    1,985,338.94/2,970,493.36 = 1,176,157.76/x
  3. Step 3: Cross multiply
    1,985,338.94x = 2,970,493.36 × 1,176,157.76
  4. Step 4: Simplify right side
    1,985,338.94x = 3,493,768,816,392.47
  5. Step 5: Solve for x
    x = 3,493,768,816,392.47/1,985,338.94
  6. Step 6: Final answer
    x = 1,759,784.56

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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.