Finding the Fourth Proportional to 5,272,017.12, 7,276,930.34 and 3,067,398.63
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Solution
The fourth proportional to 5,272,017.12, 7,276,930.34 and 3,067,398.63 is: 4,233,910.03
Step by Step Solution
- Step 1: Write the proportion equation
5,272,017.12 : 7,276,930.34 = 3,067,398.63 : x - Step 2: Convert to fraction form
5,272,017.12/7,276,930.34 = 3,067,398.63/x - Step 3: Cross multiply
5,272,017.12x = 7,276,930.34 × 3,067,398.63 - Step 4: Simplify right side
5,272,017.12x = 22,321,246,140,184.44 - Step 5: Solve for x
x = 22,321,246,140,184.44/5,272,017.12 - Step 6: Final answer
x = 4,233,910.03
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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.