Finding the Fourth Proportional to 3,816,542.13, 5,725,522.34 and 1,257,936.66
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Solution
The fourth proportional to 3,816,542.13, 5,725,522.34 and 1,257,936.66 is: 1,887,138.72
Step by Step Solution
- Step 1: Write the proportion equation
3,816,542.13 : 5,725,522.34 = 1,257,936.66 : x - Step 2: Convert to fraction form
3,816,542.13/5,725,522.34 = 1,257,936.66/x - Step 3: Cross multiply
3,816,542.13x = 5,725,522.34 × 1,257,936.66 - Step 4: Simplify right side
3,816,542.13x = 7,202,344,427,921.59 - Step 5: Solve for x
x = 7,202,344,427,921.59/3,816,542.13 - Step 6: Final answer
x = 1,887,138.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.