Finding the Fourth Proportional to 5,168,156.96, 7,751,643.92 and 1,381,935.08
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Solution
The fourth proportional to 5,168,156.96, 7,751,643.92 and 1,381,935.08 is: 2,072,744.45
Step by Step Solution
- Step 1: Write the proportion equation
5,168,156.96 : 7,751,643.92 = 1,381,935.08 : x - Step 2: Convert to fraction form
5,168,156.96/7,751,643.92 = 1,381,935.08/x - Step 3: Cross multiply
5,168,156.96x = 7,751,643.92 × 1,381,935.08 - Step 4: Simplify right side
5,168,156.96x = 10,712,268,660,716.71 - Step 5: Solve for x
x = 10,712,268,660,716.71/5,168,156.96 - Step 6: Final answer
x = 2,072,744.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.