Finding the Fourth Proportional to 6,648,925.74, 9,175,121.99 and 3,857,833.47
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Solution
The fourth proportional to 6,648,925.74, 9,175,121.99 and 3,857,833.47 is: 5,323,580.69
Step by Step Solution
- Step 1: Write the proportion equation
6,648,925.74 : 9,175,121.99 = 3,857,833.47 : x - Step 2: Convert to fraction form
6,648,925.74/9,175,121.99 = 3,857,833.47/x - Step 3: Cross multiply
6,648,925.74x = 9,175,121.99 × 3,857,833.47 - Step 4: Simplify right side
6,648,925.74x = 35,396,092,685,065.84 - Step 5: Solve for x
x = 35,396,092,685,065.84/6,648,925.74 - Step 6: Final answer
x = 5,323,580.69
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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.