Finding the Fourth Proportional to 4,976,385.14, 7,465,574.28 and 1,565,530.22
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Solution
The fourth proportional to 4,976,385.14, 7,465,574.28 and 1,565,530.22 is: 2,348,608.84
Step by Step Solution
- Step 1: Write the proportion equation
4,976,385.14 : 7,465,574.28 = 1,565,530.22 : x - Step 2: Convert to fraction form
4,976,385.14/7,465,574.28 = 1,565,530.22/x - Step 3: Cross multiply
4,976,385.14x = 7,465,574.28 × 1,565,530.22 - Step 4: Simplify right side
4,976,385.14x = 11,687,582,144,994.74 - Step 5: Solve for x
x = 11,687,582,144,994.74/4,976,385.14 - Step 6: Final answer
x = 2,348,608.84
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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.