Finding the Fourth Proportional to 5,409,330.12, 7,465,376.34 and 2,994,882.12
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Solution
The fourth proportional to 5,409,330.12, 7,465,376.34 and 2,994,882.12 is: 4,133,214.58
Step by Step Solution
- Step 1: Write the proportion equation
5,409,330.12 : 7,465,376.34 = 2,994,882.12 : x - Step 2: Convert to fraction form
5,409,330.12/7,465,376.34 = 2,994,882.12/x - Step 3: Cross multiply
5,409,330.12x = 7,465,376.34 × 2,994,882.12 - Step 4: Simplify right side
5,409,330.12x = 22,357,922,119,737.04 - Step 5: Solve for x
x = 22,357,922,119,737.04/5,409,330.12 - Step 6: Final answer
x = 4,133,214.58
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1.5x scale
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.