Finding the Fourth Proportional to 6,394,565.12, 8,824,237.12 and 3,494,055.68
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Solution
The fourth proportional to 6,394,565.12, 8,824,237.12 and 3,494,055.68 is: 4,821,653.27
Step by Step Solution
- Step 1: Write the proportion equation
6,394,565.12 : 8,824,237.12 = 3,494,055.68 : x - Step 2: Convert to fraction form
6,394,565.12/8,824,237.12 = 3,494,055.68/x - Step 3: Cross multiply
6,394,565.12x = 8,824,237.12 × 3,494,055.68 - Step 4: Simplify right side
6,394,565.12x = 30,832,375,830,802.84 - Step 5: Solve for x
x = 30,832,375,830,802.84/6,394,565.12 - Step 6: Final answer
x = 4,821,653.27
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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.