Finding the Fourth Proportional to 5,195,343.12, 7,169,265.37 and 2,872,097.09
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Solution
The fourth proportional to 5,195,343.12, 7,169,265.37 and 2,872,097.09 is: 3,963,323.64
Step by Step Solution
- Step 1: Write the proportion equation
5,195,343.12 : 7,169,265.37 = 2,872,097.09 : x - Step 2: Convert to fraction form
5,195,343.12/7,169,265.37 = 2,872,097.09/x - Step 3: Cross multiply
5,195,343.12x = 7,169,265.37 × 2,872,097.09 - Step 4: Simplify right side
5,195,343.12x = 20,590,826,181,511.37 - Step 5: Solve for x
x = 20,590,826,181,511.37/5,195,343.12 - Step 6: Final answer
x = 3,963,323.64
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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.