Finding the Fourth Proportional to 6,732,485.12, 9,290,863.68 and 3,676,699.28
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Solution
The fourth proportional to 6,732,485.12, 9,290,863.68 and 3,676,699.28 is: 5,073,863.69
Step by Step Solution
- Step 1: Write the proportion equation
6,732,485.12 : 9,290,863.68 = 3,676,699.28 : x - Step 2: Convert to fraction form
6,732,485.12/9,290,863.68 = 3,676,699.28/x - Step 3: Cross multiply
6,732,485.12x = 9,290,863.68 × 3,676,699.28 - Step 4: Simplify right side
6,732,485.12x = 34,159,711,802,834.15 - Step 5: Solve for x
x = 34,159,711,802,834.15/6,732,485.12 - Step 6: Final answer
x = 5,073,863.69
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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.