Finding the Fourth Proportional to 5,514,415.05, 7,607,805.35 and 3,420,288.84
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Solution
The fourth proportional to 5,514,415.05, 7,607,805.35 and 3,420,288.84 is: 4,718,703.88
Step by Step Solution
- Step 1: Write the proportion equation
5,514,415.05 : 7,607,805.35 = 3,420,288.84 : x - Step 2: Convert to fraction form
5,514,415.05/7,607,805.35 = 3,420,288.84/x - Step 3: Cross multiply
5,514,415.05x = 7,607,805.35 × 3,420,288.84 - Step 4: Simplify right side
5,514,415.05x = 26,020,891,718,395.85 - Step 5: Solve for x
x = 26,020,891,718,395.85/5,514,415.05 - Step 6: Final answer
x = 4,718,703.88
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1.5x scale
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.