Finding the Fourth Proportional to 6,458,235.51, 9,688,545.18 and 2,672,013.63
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Solution
The fourth proportional to 6,458,235.51, 9,688,545.18 and 2,672,013.63 is: 4,008,513.58
Step by Step Solution
- Step 1: Write the proportion equation
6,458,235.51 : 9,688,545.18 = 2,672,013.63 : x - Step 2: Convert to fraction form
6,458,235.51/9,688,545.18 = 2,672,013.63/x - Step 3: Cross multiply
6,458,235.51x = 9,688,545.18 × 2,672,013.63 - Step 4: Simplify right side
6,458,235.51x = 25,887,924,775,830.80 - Step 5: Solve for x
x = 25,887,924,775,830.80/6,458,235.51 - Step 6: Final answer
x = 4,008,513.58
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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.