Finding the Fourth Proportional to 5,976,209.70, 8,963,148.15 and 1,987,121.70
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Solution
The fourth proportional to 5,976,209.70, 8,963,148.15 and 1,987,121.70 is: 2,980,294.72
Step by Step Solution
- Step 1: Write the proportion equation
5,976,209.70 : 8,963,148.15 = 1,987,121.70 : x - Step 2: Convert to fraction form
5,976,209.70/8,963,148.15 = 1,987,121.70/x - Step 3: Cross multiply
5,976,209.70x = 8,963,148.15 × 1,987,121.70 - Step 4: Simplify right side
5,976,209.70x = 17,810,866,189,179.86 - Step 5: Solve for x
x = 17,810,866,189,179.86/5,976,209.70 - Step 6: Final answer
x = 2,980,294.72
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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.