Home / 2,230,706.95-3,078,395.09-1,212,111.70

Finding the Fourth Proportional to 2,230,706.95, 3,078,395.09 and 1,212,111.70

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Solution

The fourth proportional to 2,230,706.95, 3,078,395.09 and 1,212,111.70 is: 1,672,724.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,230,706.95 : 3,078,395.09 = 1,212,111.70 : x
  2. Step 2: Convert to fraction form
    2,230,706.95/3,078,395.09 = 1,212,111.70/x
  3. Step 3: Cross multiply
    2,230,706.95x = 3,078,395.09 × 1,212,111.70
  4. Step 4: Simplify right side
    2,230,706.95x = 3,731,358,705,811.55
  5. Step 5: Solve for x
    x = 3,731,358,705,811.55/2,230,706.95
  6. Step 6: Final answer
    x = 1,672,724.74

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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.