Finding the Fourth Proportional to 5,373,581.04, 7,402,928.52 and 3,739,177.68
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Solution
The fourth proportional to 5,373,581.04, 7,402,928.52 and 3,739,177.68 is: 5,151,288.29
Step by Step Solution
- Step 1: Write the proportion equation
5,373,581.04 : 7,402,928.52 = 3,739,177.68 : x - Step 2: Convert to fraction form
5,373,581.04/7,402,928.52 = 3,739,177.68/x - Step 3: Cross multiply
5,373,581.04x = 7,402,928.52 × 3,739,177.68 - Step 4: Simplify right side
5,373,581.04x = 27,680,865,088,619.43 - Step 5: Solve for x
x = 27,680,865,088,619.43/5,373,581.04 - Step 6: Final answer
x = 5,151,288.29
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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.