Finding the Fourth Proportional to 5,414,716.58, 7,472,317.65 and 2,966,938.70
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Solution
The fourth proportional to 5,414,716.58, 7,472,317.65 and 2,966,938.70 is: 4,094,380.21
Step by Step Solution
- Step 1: Write the proportion equation
5,414,716.58 : 7,472,317.65 = 2,966,938.70 : x - Step 2: Convert to fraction form
5,414,716.58/7,472,317.65 = 2,966,938.70/x - Step 3: Cross multiply
5,414,716.58x = 7,472,317.65 × 2,966,938.70 - Step 4: Simplify right side
5,414,716.58x = 22,169,908,414,478.06 - Step 5: Solve for x
x = 22,169,908,414,478.06/5,414,716.58 - Step 6: Final answer
x = 4,094,380.21
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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.