Finding the Fourth Proportional to 6,424,674.98, 8,865,891.65 and 3,671,187.71
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Solution
The fourth proportional to 6,424,674.98, 8,865,891.65 and 3,671,187.71 is: 5,066,147.71
Step by Step Solution
- Step 1: Write the proportion equation
6,424,674.98 : 8,865,891.65 = 3,671,187.71 : x - Step 2: Convert to fraction form
6,424,674.98/8,865,891.65 = 3,671,187.71/x - Step 3: Cross multiply
6,424,674.98x = 8,865,891.65 × 3,671,187.71 - Step 4: Simplify right side
6,424,674.98x = 32,548,352,428,520.13 - Step 5: Solve for x
x = 32,548,352,428,520.13/6,424,674.98 - Step 6: Final answer
x = 5,066,147.71
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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.