Finding the Fourth Proportional to 2,854,239.26, 3,940,916.64 and 1,837,415.48
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Solution
The fourth proportional to 2,854,239.26, 3,940,916.64 and 1,837,415.48 is: 2,536,963.65
Step by Step Solution
- Step 1: Write the proportion equation
2,854,239.26 : 3,940,916.64 = 1,837,415.48 : x - Step 2: Convert to fraction form
2,854,239.26/3,940,916.64 = 1,837,415.48/x - Step 3: Cross multiply
2,854,239.26x = 3,940,916.64 × 1,837,415.48 - Step 4: Simplify right side
2,854,239.26x = 7,241,101,239,725.59 - Step 5: Solve for x
x = 7,241,101,239,725.59/2,854,239.26 - Step 6: Final answer
x = 2,536,963.65
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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.