Finding the Fourth Proportional to 4,623,820.66, 6,376,657.75 and 3,970,241.65
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Solution
The fourth proportional to 4,623,820.66, 6,376,657.75 and 3,970,241.65 is: 5,475,314.47
Step by Step Solution
- Step 1: Write the proportion equation
4,623,820.66 : 6,376,657.75 = 3,970,241.65 : x - Step 2: Convert to fraction form
4,623,820.66/6,376,657.75 = 3,970,241.65/x - Step 3: Cross multiply
4,623,820.66x = 6,376,657.75 × 3,970,241.65 - Step 4: Simplify right side
4,623,820.66x = 25,316,872,186,845.29 - Step 5: Solve for x
x = 25,316,872,186,845.29/4,623,820.66 - Step 6: Final answer
x = 5,475,314.47
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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.