Finding the Fourth Proportional to 4,930,930.49, 7,398,056.84 and 3,107,177.82
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Solution
The fourth proportional to 4,930,930.49, 7,398,056.84 and 3,107,177.82 is: 4,661,813.46
Step by Step Solution
- Step 1: Write the proportion equation
4,930,930.49 : 7,398,056.84 = 3,107,177.82 : x - Step 2: Convert to fraction form
4,930,930.49/7,398,056.84 = 3,107,177.82/x - Step 3: Cross multiply
4,930,930.49x = 7,398,056.84 × 3,107,177.82 - Step 4: Simplify right side
4,930,930.49x = 22,987,078,108,811.40 - Step 5: Solve for x
x = 22,987,078,108,811.40/4,930,930.49 - Step 6: Final answer
x = 4,661,813.46
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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.