Home / 1,984,855.70-2,739,717.61-1,577,680.04

Finding the Fourth Proportional to 1,984,855.70, 2,739,717.61 and 1,577,680.04

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Solution

The fourth proportional to 1,984,855.70, 2,739,717.61 and 1,577,680.04 is: 2,177,688.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,984,855.70 : 2,739,717.61 = 1,577,680.04 : x
  2. Step 2: Convert to fraction form
    1,984,855.70/2,739,717.61 = 1,577,680.04/x
  3. Step 3: Cross multiply
    1,984,855.70x = 2,739,717.61 × 1,577,680.04
  4. Step 4: Simplify right side
    1,984,855.70x = 4,322,397,788,533.50
  5. Step 5: Solve for x
    x = 4,322,397,788,533.50/1,984,855.70
  6. Step 6: Final answer
    x = 2,177,688.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.