Finding the Fourth Proportional to 5,736,532.64, 7,916,114.52 and 3,157,709.72
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Solution
The fourth proportional to 5,736,532.64, 7,916,114.52 and 3,157,709.72 is: 4,357,473.99
Step by Step Solution
- Step 1: Write the proportion equation
5,736,532.64 : 7,916,114.52 = 3,157,709.72 : x - Step 2: Convert to fraction form
5,736,532.64/7,916,114.52 = 3,157,709.72/x - Step 3: Cross multiply
5,736,532.64x = 7,916,114.52 × 3,157,709.72 - Step 4: Simplify right side
5,736,532.64x = 24,996,791,724,856.56 - Step 5: Solve for x
x = 24,996,791,724,856.56/5,736,532.64 - Step 6: Final answer
x = 4,357,473.99
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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.