Finding the Fourth Proportional to 2,431,771.68, 3,356,307.72 and 1,603,387.92
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Solution
The fourth proportional to 2,431,771.68, 3,356,307.72 and 1,603,387.92 is: 2,212,980.48
Step by Step Solution
- Step 1: Write the proportion equation
2,431,771.68 : 3,356,307.72 = 1,603,387.92 : x - Step 2: Convert to fraction form
2,431,771.68/3,356,307.72 = 1,603,387.92/x - Step 3: Cross multiply
2,431,771.68x = 3,356,307.72 × 1,603,387.92 - Step 4: Simplify right side
2,431,771.68x = 5,381,463,254,050.74 - Step 5: Solve for x
x = 5,381,463,254,050.74/2,431,771.68 - Step 6: Final answer
x = 2,212,980.48
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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.