Finding the Fourth Proportional to 6,639,713.87, 9,163,274.38 and 3,699,726.13
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Solution
The fourth proportional to 6,639,713.87, 9,163,274.38 and 3,699,726.13 is: 5,105,883.52
Step by Step Solution
- Step 1: Write the proportion equation
6,639,713.87 : 9,163,274.38 = 3,699,726.13 : x - Step 2: Convert to fraction form
6,639,713.87/9,163,274.38 = 3,699,726.13/x - Step 3: Cross multiply
6,639,713.87x = 9,163,274.38 × 3,699,726.13 - Step 4: Simplify right side
6,639,713.87x = 33,901,605,641,762.02 - Step 5: Solve for x
x = 33,901,605,641,762.02/6,639,713.87 - Step 6: Final answer
x = 5,105,883.52
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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.