Home / 1,681,718.90-2,322,094.41-1,353,990.87

Finding the Fourth Proportional to 1,681,718.90, 2,322,094.41 and 1,353,990.87

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Solution

The fourth proportional to 1,681,718.90, 2,322,094.41 and 1,353,990.87 is: 1,869,572.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,718.90 : 2,322,094.41 = 1,353,990.87 : x
  2. Step 2: Convert to fraction form
    1,681,718.90/2,322,094.41 = 1,353,990.87/x
  3. Step 3: Cross multiply
    1,681,718.90x = 2,322,094.41 × 1,353,990.87
  4. Step 4: Simplify right side
    1,681,718.90x = 3,144,094,630,418.04
  5. Step 5: Solve for x
    x = 3,144,094,630,418.04/1,681,718.90
  6. Step 6: Final answer
    x = 1,869,572.04

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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.