Finding the Fourth Proportional to 3,948,259.74, 5,448,610.71 and 2,137,419.42
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Solution
The fourth proportional to 3,948,259.74, 5,448,610.71 and 2,137,419.42 is: 2,949,645.44
Step by Step Solution
- Step 1: Write the proportion equation
3,948,259.74 : 5,448,610.71 = 2,137,419.42 : x - Step 2: Convert to fraction form
3,948,259.74/5,448,610.71 = 2,137,419.42/x - Step 3: Cross multiply
3,948,259.74x = 5,448,610.71 × 2,137,419.42 - Step 4: Simplify right side
3,948,259.74x = 11,645,966,343,573.99 - Step 5: Solve for x
x = 11,645,966,343,573.99/3,948,259.74 - Step 6: Final answer
x = 2,949,645.44
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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.