Finding the Fourth Proportional to 5,177,117.10, 7,765,675.66 and 1,582,884.06
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Solution
The fourth proportional to 5,177,117.10, 7,765,675.66 and 1,582,884.06 is: 2,374,326.09
Step by Step Solution
- Step 1: Write the proportion equation
5,177,117.10 : 7,765,675.66 = 1,582,884.06 : x - Step 2: Convert to fraction form
5,177,117.10/7,765,675.66 = 1,582,884.06/x - Step 3: Cross multiply
5,177,117.10x = 7,765,675.66 × 1,582,884.06 - Step 4: Simplify right side
5,177,117.10x = 12,292,164,217,343.98 - Step 5: Solve for x
x = 12,292,164,217,343.98/5,177,117.10 - Step 6: Final answer
x = 2,374,326.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.