Finding the Fourth Proportional to 2,387,020.70, 3,294,175.47 and 1,299,239.69
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Solution
The fourth proportional to 2,387,020.70, 3,294,175.47 and 1,299,239.69 is: 1,792,998.07
Step by Step Solution
- Step 1: Write the proportion equation
2,387,020.70 : 3,294,175.47 = 1,299,239.69 : x - Step 2: Convert to fraction form
2,387,020.70/3,294,175.47 = 1,299,239.69/x - Step 3: Cross multiply
2,387,020.70x = 3,294,175.47 × 1,299,239.69 - Step 4: Simplify right side
2,387,020.70x = 4,279,923,516,448.40 - Step 5: Solve for x
x = 4,279,923,516,448.40/2,387,020.70 - Step 6: Final answer
x = 1,792,998.07
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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.