Finding the Fourth Proportional to 7,746,149.34, 10,689,537.20 and 4,261,284.45
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Solution
The fourth proportional to 7,746,149.34, 10,689,537.20 and 4,261,284.45 is: 5,880,490.63
Step by Step Solution
- Step 1: Write the proportion equation
7,746,149.34 : 10,689,537.20 = 4,261,284.45 : x - Step 2: Convert to fraction form
7,746,149.34/10,689,537.20 = 4,261,284.45/x - Step 3: Cross multiply
7,746,149.34x = 10,689,537.20 × 4,261,284.45 - Step 4: Simplify right side
7,746,149.34x = 45,551,158,626,750.12 - Step 5: Solve for x
x = 45,551,158,626,750.12/7,746,149.34 - Step 6: Final answer
x = 5,880,490.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.