Finding the Fourth Proportional to 4,609,436.88, 6,911,942.40 and 2,178,565.32
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Solution
The fourth proportional to 4,609,436.88, 6,911,942.40 and 2,178,565.32 is: 3,266,802.08
Step by Step Solution
- Step 1: Write the proportion equation
4,609,436.88 : 6,911,942.40 = 2,178,565.32 : x - Step 2: Convert to fraction form
4,609,436.88/6,911,942.40 = 2,178,565.32/x - Step 3: Cross multiply
4,609,436.88x = 6,911,942.40 × 2,178,565.32 - Step 4: Simplify right side
4,609,436.88x = 15,058,118,006,477.57 - Step 5: Solve for x
x = 15,058,118,006,477.57/4,609,436.88 - Step 6: Final answer
x = 3,266,802.08
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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.