Finding the Fourth Proportional to 6,787,482.18, 9,366,484.41 and 3,731,674.18
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Solution
The fourth proportional to 6,787,482.18, 9,366,484.41 and 3,731,674.18 is: 5,149,577.87
Step by Step Solution
- Step 1: Write the proportion equation
6,787,482.18 : 9,366,484.41 = 3,731,674.18 : x - Step 2: Convert to fraction form
6,787,482.18/9,366,484.41 = 3,731,674.18/x - Step 3: Cross multiply
6,787,482.18x = 9,366,484.41 × 3,731,674.18 - Step 4: Simplify right side
6,787,482.18x = 34,952,668,030,169.54 - Step 5: Solve for x
x = 34,952,668,030,169.54/6,787,482.18 - Step 6: Final answer
x = 5,149,577.87
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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.