Finding the Fourth Proportional to 7,225,838.61, 9,970,740.79 and 3,961,794.42
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Solution
The fourth proportional to 7,225,838.61, 9,970,740.79 and 3,961,794.42 is: 5,466,773.80
Step by Step Solution
- Step 1: Write the proportion equation
7,225,838.61 : 9,970,740.79 = 3,961,794.42 : x - Step 2: Convert to fraction form
7,225,838.61/9,970,740.79 = 3,961,794.42/x - Step 3: Cross multiply
7,225,838.61x = 9,970,740.79 × 3,961,794.42 - Step 4: Simplify right side
7,225,838.61x = 39,502,025,205,279.42 - Step 5: Solve for x
x = 39,502,025,205,279.42/7,225,838.61 - Step 6: Final answer
x = 5,466,773.80
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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.