Home / 1,621,829.94-2,433,141.63-1,142,992.02

Finding the Fourth Proportional to 1,621,829.94, 2,433,141.63 and 1,142,992.02

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Solution

The fourth proportional to 1,621,829.94, 2,433,141.63 and 1,142,992.02 is: 1,714,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,829.94 : 2,433,141.63 = 1,142,992.02 : x
  2. Step 2: Convert to fraction form
    1,621,829.94/2,433,141.63 = 1,142,992.02/x
  3. Step 3: Cross multiply
    1,621,829.94x = 2,433,141.63 × 1,142,992.02
  4. Step 4: Simplify right side
    1,621,829.94x = 2,781,061,466,619.79
  5. Step 5: Solve for x
    x = 2,781,061,466,619.79/1,621,829.94
  6. Step 6: Final answer
    x = 1,714,767.62

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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.