Finding the Fourth Proportional to 4,639,318.40, 6,402,294.27 and 2,574,342.07
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Solution
The fourth proportional to 4,639,318.40, 6,402,294.27 and 2,574,342.07 is: 3,552,611.40
Step by Step Solution
- Step 1: Write the proportion equation
4,639,318.40 : 6,402,294.27 = 2,574,342.07 : x - Step 2: Convert to fraction form
4,639,318.40/6,402,294.27 = 2,574,342.07/x - Step 3: Cross multiply
4,639,318.40x = 6,402,294.27 × 2,574,342.07 - Step 4: Simplify right side
4,639,318.40x = 16,481,695,467,775.20 - Step 5: Solve for x
x = 16,481,695,467,775.20/4,639,318.40 - Step 6: Final answer
x = 3,552,611.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.