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Finding the Fourth Proportional to 4,995,880.39, 7,494,093.12 and 1,583,920.22

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Solution

The fourth proportional to 4,995,880.39, 7,494,093.12 and 1,583,920.22 is: 2,375,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995,880.39 : 7,494,093.12 = 1,583,920.22 : x
  2. Step 2: Convert to fraction form
    4,995,880.39/7,494,093.12 = 1,583,920.22/x
  3. Step 3: Cross multiply
    4,995,880.39x = 7,494,093.12 × 1,583,920.22
  4. Step 4: Simplify right side
    4,995,880.39x = 11,870,045,623,330.89
  5. Step 5: Solve for x
    x = 11,870,045,623,330.89/4,995,880.39
  6. Step 6: Final answer
    x = 2,375,966.74

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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.