Finding the Fourth Proportional to 7,387,691.74, 11,088,349.61 and 3,746,976.77
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Solution
The fourth proportional to 7,387,691.74, 11,088,349.61 and 3,746,976.77 is: 5,623,920.15
Step by Step Solution
- Step 1: Write the proportion equation
7,387,691.74 : 11,088,349.61 = 3,746,976.77 : x - Step 2: Convert to fraction form
7,387,691.74/11,088,349.61 = 3,746,976.77/x - Step 3: Cross multiply
7,387,691.74x = 11,088,349.61 × 3,746,976.77 - Step 4: Simplify right side
7,387,691.74x = 41,547,788,415,294.55 - Step 5: Solve for x
x = 41,547,788,415,294.55/7,387,691.74 - Step 6: Final answer
x = 5,623,920.15
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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.