Finding the Fourth Proportional to 4,755,125.63, 7,127,195.43 and 2,190,979.91
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Solution
The fourth proportional to 4,755,125.63, 7,127,195.43 and 2,190,979.91 is: 3,283,938.89
Step by Step Solution
- Step 1: Write the proportion equation
4,755,125.63 : 7,127,195.43 = 2,190,979.91 : x - Step 2: Convert to fraction form
4,755,125.63/7,127,195.43 = 2,190,979.91/x - Step 3: Cross multiply
4,755,125.63x = 7,127,195.43 × 2,190,979.91 - Step 4: Simplify right side
4,755,125.63x = 15,615,542,001,773.81 - Step 5: Solve for x
x = 15,615,542,001,773.81/4,755,125.63 - Step 6: Final answer
x = 3,283,938.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.