Finding the Fourth Proportional to 5,257,510.60, 7,881,891.90 and 2,227,203.40
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Solution
The fourth proportional to 5,257,510.60, 7,881,891.90 and 2,227,203.40 is: 3,338,952.17
Step by Step Solution
- Step 1: Write the proportion equation
5,257,510.60 : 7,881,891.90 = 2,227,203.40 : x - Step 2: Convert to fraction form
5,257,510.60/7,881,891.90 = 2,227,203.40/x - Step 3: Cross multiply
5,257,510.60x = 7,881,891.90 × 2,227,203.40 - Step 4: Simplify right side
5,257,510.60x = 17,554,576,438,112.46 - Step 5: Solve for x
x = 17,554,576,438,112.46/5,257,510.60 - Step 6: Final answer
x = 3,338,952.17
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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.