Home / 1,985,337.94-2,970,491.86-1,176,156.76

Finding the Fourth Proportional to 1,985,337.94, 2,970,491.86 and 1,176,156.76

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Solution

The fourth proportional to 1,985,337.94, 2,970,491.86 and 1,176,156.76 is: 1,759,783.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,985,337.94 : 2,970,491.86 = 1,176,156.76 : x
  2. Step 2: Convert to fraction form
    1,985,337.94/2,970,491.86 = 1,176,156.76/x
  3. Step 3: Cross multiply
    1,985,337.94x = 2,970,491.86 × 1,176,156.76
  4. Step 4: Simplify right side
    1,985,337.94x = 3,493,764,081,663.97
  5. Step 5: Solve for x
    x = 3,493,764,081,663.97/1,985,337.94
  6. Step 6: Final answer
    x = 1,759,783.06

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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.