Finding the Fourth Proportional to 5,433,649.16, 7,498,604.60 and 2,986,215.74
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Solution
The fourth proportional to 5,433,649.16, 7,498,604.60 and 2,986,215.74 is: 4,121,070.46
Step by Step Solution
- Step 1: Write the proportion equation
5,433,649.16 : 7,498,604.60 = 2,986,215.74 : x - Step 2: Convert to fraction form
5,433,649.16/7,498,604.60 = 2,986,215.74/x - Step 3: Cross multiply
5,433,649.16x = 7,498,604.60 × 2,986,215.74 - Step 4: Simplify right side
5,433,649.16x = 22,392,451,069,625.33 - Step 5: Solve for x
x = 22,392,451,069,625.33/5,433,649.16 - Step 6: Final answer
x = 4,121,070.46
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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.