Finding the Fourth Proportional to 3,545,129.36, 5,316,578.60 and 1,148,417.93
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Solution
The fourth proportional to 3,545,129.36, 5,316,578.60 and 1,148,417.93 is: 1,722,265.56
Step by Step Solution
- Step 1: Write the proportion equation
3,545,129.36 : 5,316,578.60 = 1,148,417.93 : x - Step 2: Convert to fraction form
3,545,129.36/5,316,578.60 = 1,148,417.93/x - Step 3: Cross multiply
3,545,129.36x = 5,316,578.60 × 1,148,417.93 - Step 4: Simplify right side
3,545,129.36x = 6,105,654,198,043.66 - Step 5: Solve for x
x = 6,105,654,198,043.66/3,545,129.36 - Step 6: Final answer
x = 1,722,265.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.