Finding the Fourth Proportional to 5,461,260.73, 7,539,373.02 and 3,989,516.68
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Solution
The fourth proportional to 5,461,260.73, 7,539,373.02 and 3,989,516.68 is: 5,507,602.72
Step by Step Solution
- Step 1: Write the proportion equation
5,461,260.73 : 7,539,373.02 = 3,989,516.68 : x - Step 2: Convert to fraction form
5,461,260.73/7,539,373.02 = 3,989,516.68/x - Step 3: Cross multiply
5,461,260.73x = 7,539,373.02 × 3,989,516.68 - Step 4: Simplify right side
5,461,260.73x = 30,078,454,400,084.39 - Step 5: Solve for x
x = 30,078,454,400,084.39/5,461,260.73 - Step 6: Final answer
x = 5,507,602.72
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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.