Finding the Fourth Proportional to 6,241,585.12, 8,610,954.48 and 3,917,121.20
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Solution
The fourth proportional to 6,241,585.12, 8,610,954.48 and 3,917,121.20 is: 5,404,100.35
Step by Step Solution
- Step 1: Write the proportion equation
6,241,585.12 : 8,610,954.48 = 3,917,121.20 : x - Step 2: Convert to fraction form
6,241,585.12/8,610,954.48 = 3,917,121.20/x - Step 3: Cross multiply
6,241,585.12x = 8,610,954.48 × 3,917,121.20 - Step 4: Simplify right side
6,241,585.12x = 33,730,152,345,842.98 - Step 5: Solve for x
x = 33,730,152,345,842.98/6,241,585.12 - Step 6: Final answer
x = 5,404,100.35
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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.