Finding the Fourth Proportional to 5,514,421.05, 7,607,813.63 and 3,420,294.84
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Solution
The fourth proportional to 5,514,421.05, 7,607,813.63 and 3,420,294.84 is: 4,718,712.16
Step by Step Solution
- Step 1: Write the proportion equation
5,514,421.05 : 7,607,813.63 = 3,420,294.84 : x - Step 2: Convert to fraction form
5,514,421.05/7,607,813.63 = 3,420,294.84/x - Step 3: Cross multiply
5,514,421.05x = 7,607,813.63 × 3,420,294.84 - Step 4: Simplify right side
5,514,421.05x = 26,020,965,685,269.20 - Step 5: Solve for x
x = 26,020,965,685,269.20/5,514,421.05 - Step 6: Final answer
x = 4,718,712.16
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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.