Finding the Fourth Proportional to 4,974,865.92, 7,423,499.76 and 4,438,702.08
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Solution
The fourth proportional to 4,974,865.92, 7,423,499.76 and 4,438,702.08 is: 6,623,435.56
Step by Step Solution
- Step 1: Write the proportion equation
4,974,865.92 : 7,423,499.76 = 4,438,702.08 : x - Step 2: Convert to fraction form
4,974,865.92/7,423,499.76 = 4,438,702.08/x - Step 3: Cross multiply
4,974,865.92x = 7,423,499.76 × 4,438,702.08 - Step 4: Simplify right side
4,974,865.92x = 32,950,703,825,591.50 - Step 5: Solve for x
x = 32,950,703,825,591.50/4,974,865.92 - Step 6: Final answer
x = 6,623,435.56
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.