Finding the Fourth Proportional to 4,696,548.78, 6,432,674.81 and 4,420,789.95
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Solution
The fourth proportional to 4,696,548.78, 6,432,674.81 and 4,420,789.95 is: 6,054,978.99
Step by Step Solution
- Step 1: Write the proportion equation
4,696,548.78 : 6,432,674.81 = 4,420,789.95 : x - Step 2: Convert to fraction form
4,696,548.78/6,432,674.81 = 4,420,789.95/x - Step 3: Cross multiply
4,696,548.78x = 6,432,674.81 × 4,420,789.95 - Step 4: Simplify right side
4,696,548.78x = 28,437,504,190,985.16 - Step 5: Solve for x
x = 28,437,504,190,985.16/4,696,548.78 - Step 6: Final answer
x = 6,054,978.99
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.