Finding the Fourth Proportional to 4,884,312.87, 7,327,585.28 and 1,689,436.35
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Solution
The fourth proportional to 4,884,312.87, 7,327,585.28 and 1,689,436.35 is: 2,534,540.53
Step by Step Solution
- Step 1: Write the proportion equation
4,884,312.87 : 7,327,585.28 = 1,689,436.35 : x - Step 2: Convert to fraction form
4,884,312.87/7,327,585.28 = 1,689,436.35/x - Step 3: Cross multiply
4,884,312.87x = 7,327,585.28 × 1,689,436.35 - Step 4: Simplify right side
4,884,312.87x = 12,379,488,947,848.44 - Step 5: Solve for x
x = 12,379,488,947,848.44/4,884,312.87 - Step 6: Final answer
x = 2,534,540.53
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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.