Finding the Fourth Proportional to 7,771,687.17, 11,657,552.67 and 2,980,844.97
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Solution
The fourth proportional to 7,771,687.17, 11,657,552.67 and 2,980,844.97 is: 4,471,275.86
Step by Step Solution
- Step 1: Write the proportion equation
7,771,687.17 : 11,657,552.67 = 2,980,844.97 : x - Step 2: Convert to fraction form
7,771,687.17/11,657,552.67 = 2,980,844.97/x - Step 3: Cross multiply
7,771,687.17x = 11,657,552.67 × 2,980,844.97 - Step 4: Simplify right side
7,771,687.17x = 34,749,357,238,879.57 - Step 5: Solve for x
x = 34,749,357,238,879.57/7,771,687.17 - Step 6: Final answer
x = 4,471,275.86
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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.