Finding the Fourth Proportional to 6,369,449.38, 8,790,088.99 and 3,616,393.04
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Solution
The fourth proportional to 6,369,449.38, 8,790,088.99 and 3,616,393.04 is: 4,990,763.68
Step by Step Solution
- Step 1: Write the proportion equation
6,369,449.38 : 8,790,088.99 = 3,616,393.04 : x - Step 2: Convert to fraction form
6,369,449.38/8,790,088.99 = 3,616,393.04/x - Step 3: Cross multiply
6,369,449.38x = 8,790,088.99 × 3,616,393.04 - Step 4: Simplify right side
6,369,449.38x = 31,788,416,658,628.69 - Step 5: Solve for x
x = 31,788,416,658,628.69/6,369,449.38 - Step 6: Final answer
x = 4,990,763.68
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1.5x scale
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.