Finding the Fourth Proportional to 3,442,572.16, 5,158,461.12 and 2,177,728
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Solution
The fourth proportional to 3,442,572.16, 5,158,461.12 and 2,177,728 is: 3,263,177.85
Step by Step Solution
- Step 1: Write the proportion equation
3,442,572.16 : 5,158,461.12 = 2,177,728 : x - Step 2: Convert to fraction form
3,442,572.16/5,158,461.12 = 2,177,728/x - Step 3: Cross multiply
3,442,572.16x = 5,158,461.12 × 2,177,728 - Step 4: Simplify right side
3,442,572.16x = 11,233,725,217,935.36 - Step 5: Solve for x
x = 11,233,725,217,935.36/3,442,572.16 - Step 6: Final answer
x = 3,263,177.85
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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.