Finding the Fourth Proportional to 3,292,786.94, 4,936,342.14 and 1,272,448.49
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Solution
The fourth proportional to 3,292,786.94, 4,936,342.14 and 1,272,448.49 is: 1,907,575.92
Step by Step Solution
- Step 1: Write the proportion equation
3,292,786.94 : 4,936,342.14 = 1,272,448.49 : x - Step 2: Convert to fraction form
3,292,786.94/4,936,342.14 = 1,272,448.49/x - Step 3: Cross multiply
3,292,786.94x = 4,936,342.14 × 1,272,448.49 - Step 4: Simplify right side
3,292,786.94x = 6,281,241,077,484.66 - Step 5: Solve for x
x = 6,281,241,077,484.66/3,292,786.94 - Step 6: Final answer
x = 1,907,575.92
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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.