Finding the Fourth Proportional to 5,417,859.93, 7,475,593.82 and 3,212,315.19
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Solution
The fourth proportional to 5,417,859.93, 7,475,593.82 and 3,212,315.19 is: 4,432,370.69
Step by Step Solution
- Step 1: Write the proportion equation
5,417,859.93 : 7,475,593.82 = 3,212,315.19 : x - Step 2: Convert to fraction form
5,417,859.93/7,475,593.82 = 3,212,315.19/x - Step 3: Cross multiply
5,417,859.93x = 7,475,593.82 × 3,212,315.19 - Step 4: Simplify right side
5,417,859.93x = 24,013,963,566,194.55 - Step 5: Solve for x
x = 24,013,963,566,194.55/5,417,859.93 - Step 6: Final answer
x = 4,432,370.69
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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.