Home / 6,970,989.84-10,456,492.98-2,178,704.22

Finding the Fourth Proportional to 6,970,989.84, 10,456,492.98 and 2,178,704.22

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Solution

The fourth proportional to 6,970,989.84, 10,456,492.98 and 2,178,704.22 is: 3,268,058.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970,989.84 : 10,456,492.98 = 2,178,704.22 : x
  2. Step 2: Convert to fraction form
    6,970,989.84/10,456,492.98 = 2,178,704.22/x
  3. Step 3: Cross multiply
    6,970,989.84x = 10,456,492.98 × 2,178,704.22
  4. Step 4: Simplify right side
    6,970,989.84x = 22,781,605,381,926.38
  5. Step 5: Solve for x
    x = 22,781,605,381,926.38/6,970,989.84
  6. Step 6: Final answer
    x = 3,268,058.90

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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.