Finding the Fourth Proportional to 5,585,688.69, 8,378,520.62 and 1,487,010.84
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Solution
The fourth proportional to 5,585,688.69, 8,378,520.62 and 1,487,010.84 is: 2,230,512.95
Step by Step Solution
- Step 1: Write the proportion equation
5,585,688.69 : 8,378,520.62 = 1,487,010.84 : x - Step 2: Convert to fraction form
5,585,688.69/8,378,520.62 = 1,487,010.84/x - Step 3: Cross multiply
5,585,688.69x = 8,378,520.62 × 1,487,010.84 - Step 4: Simplify right side
5,585,688.69x = 12,458,950,977,668.47 - Step 5: Solve for x
x = 12,458,950,977,668.47/5,585,688.69 - Step 6: Final answer
x = 2,230,512.95
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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.