Finding the Fourth Proportional to 4,975,254.93, 7,463,415.78 and 1,381,037.07
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Solution
The fourth proportional to 4,975,254.93, 7,463,415.78 and 1,381,037.07 is: 2,071,703.66
Step by Step Solution
- Step 1: Write the proportion equation
4,975,254.93 : 7,463,415.78 = 1,381,037.07 : x - Step 2: Convert to fraction form
4,975,254.93/7,463,415.78 = 1,381,037.07/x - Step 3: Cross multiply
4,975,254.93x = 7,463,415.78 × 1,381,037.07 - Step 4: Simplify right side
4,975,254.93x = 10,307,253,861,002.96 - Step 5: Solve for x
x = 10,307,253,861,002.96/4,975,254.93 - Step 6: Final answer
x = 2,071,703.66
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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.