Finding the Fourth Proportional to 7,719,531.18, 11,579,379.74 and 2,328,228.32
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Solution
The fourth proportional to 7,719,531.18, 11,579,379.74 and 2,328,228.32 is: 3,492,367.50
Step by Step Solution
- Step 1: Write the proportion equation
7,719,531.18 : 11,579,379.74 = 2,328,228.32 : x - Step 2: Convert to fraction form
7,719,531.18/11,579,379.74 = 2,328,228.32/x - Step 3: Cross multiply
7,719,531.18x = 11,579,379.74 × 2,328,228.32 - Step 4: Simplify right side
7,719,531.18x = 26,959,439,838,702.23 - Step 5: Solve for x
x = 26,959,439,838,702.23/7,719,531.18 - Step 6: Final answer
x = 3,492,367.50
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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.