Finding the Fourth Proportional to 1,972,823.80, 2,722,496.62 and 1,067,405.88
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Solution
The fourth proportional to 1,972,823.80, 2,722,496.62 and 1,067,405.88 is: 1,473,019.99
Step by Step Solution
- Step 1: Write the proportion equation
1,972,823.80 : 2,722,496.62 = 1,067,405.88 : x - Step 2: Convert to fraction form
1,972,823.80/2,722,496.62 = 1,067,405.88/x - Step 3: Cross multiply
1,972,823.80x = 2,722,496.62 × 1,067,405.88 - Step 4: Simplify right side
1,972,823.80x = 2,906,008,900,468.13 - Step 5: Solve for x
x = 2,906,008,900,468.13/1,972,823.80 - Step 6: Final answer
x = 1,473,019.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.