Finding the Fourth Proportional to 2,305,102.53, 3,181,457.88 and 1,374,869.91
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Solution
The fourth proportional to 2,305,102.53, 3,181,457.88 and 1,374,869.91 is: 1,897,568.83
Step by Step Solution
- Step 1: Write the proportion equation
2,305,102.53 : 3,181,457.88 = 1,374,869.91 : x - Step 2: Convert to fraction form
2,305,102.53/3,181,457.88 = 1,374,869.91/x - Step 3: Cross multiply
2,305,102.53x = 3,181,457.88 × 1,374,869.91 - Step 4: Simplify right side
2,305,102.53x = 4,374,090,709,144.39 - Step 5: Solve for x
x = 4,374,090,709,144.39/2,305,102.53 - Step 6: Final answer
x = 1,897,568.83
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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.