Finding the Fourth Proportional to 5,358,837.67, 7,395,156.35 and 2,911,468.84
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Solution
The fourth proportional to 5,358,837.67, 7,395,156.35 and 2,911,468.84 is: 4,017,805.47
Step by Step Solution
- Step 1: Write the proportion equation
5,358,837.67 : 7,395,156.35 = 2,911,468.84 : x - Step 2: Convert to fraction form
5,358,837.67/7,395,156.35 = 2,911,468.84/x - Step 3: Cross multiply
5,358,837.67x = 7,395,156.35 × 2,911,468.84 - Step 4: Simplify right side
5,358,837.67x = 21,530,767,279,953.13 - Step 5: Solve for x
x = 21,530,767,279,953.13/5,358,837.67 - Step 6: Final answer
x = 4,017,805.47
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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.