Finding the Fourth Proportional to 1,623,619.62, 2,435,379.21 and 771,304.82
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Solution
The fourth proportional to 1,623,619.62, 2,435,379.21 and 771,304.82 is: 1,156,933.37
Step by Step Solution
- Step 1: Write the proportion equation
1,623,619.62 : 2,435,379.21 = 771,304.82 : x - Step 2: Convert to fraction form
1,623,619.62/2,435,379.21 = 771,304.82/x - Step 3: Cross multiply
1,623,619.62x = 2,435,379.21 × 771,304.82 - Step 4: Simplify right side
1,623,619.62x = 1,878,419,711,023.90 - Step 5: Solve for x
x = 1,878,419,711,023.90/1,623,619.62 - Step 6: Final answer
x = 1,156,933.37
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.