Finding the Fourth Proportional to 5,346,728.19, 7,378,875.23 and 3,054,839.67
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Solution
The fourth proportional to 5,346,728.19, 7,378,875.23 and 3,054,839.67 is: 4,215,901.75
Step by Step Solution
- Step 1: Write the proportion equation
5,346,728.19 : 7,378,875.23 = 3,054,839.67 : x - Step 2: Convert to fraction form
5,346,728.19/7,378,875.23 = 3,054,839.67/x - Step 3: Cross multiply
5,346,728.19x = 7,378,875.23 × 3,054,839.67 - Step 4: Simplify right side
5,346,728.19x = 22,541,280,757,310.18 - Step 5: Solve for x
x = 22,541,280,757,310.18/5,346,728.19 - Step 6: Final answer
x = 4,215,901.75
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.