Finding the Fourth Proportional to 4,732,942.29, 6,531,460.20 and 2,557,485.36
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Solution
The fourth proportional to 4,732,942.29, 6,531,460.20 and 2,557,485.36 is: 3,529,329.71
Step by Step Solution
- Step 1: Write the proportion equation
4,732,942.29 : 6,531,460.20 = 2,557,485.36 : x - Step 2: Convert to fraction form
4,732,942.29/6,531,460.20 = 2,557,485.36/x - Step 3: Cross multiply
4,732,942.29x = 6,531,460.20 × 2,557,485.36 - Step 4: Simplify right side
4,732,942.29x = 16,704,113,840,922.67 - Step 5: Solve for x
x = 16,704,113,840,922.67/4,732,942.29 - Step 6: Final answer
x = 3,529,329.71
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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.