Finding the Fourth Proportional to 2,557,239.75, 3,528,963.25 and 1,395,676.58
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Solution
The fourth proportional to 2,557,239.75, 3,528,963.25 and 1,395,676.58 is: 1,926,018.61
Step by Step Solution
- Step 1: Write the proportion equation
2,557,239.75 : 3,528,963.25 = 1,395,676.58 : x - Step 2: Convert to fraction form
2,557,239.75/3,528,963.25 = 1,395,676.58/x - Step 3: Cross multiply
2,557,239.75x = 3,528,963.25 × 1,395,676.58 - Step 4: Simplify right side
2,557,239.75x = 4,925,291,338,571.68 - Step 5: Solve for x
x = 4,925,291,338,571.68/2,557,239.75 - Step 6: Final answer
x = 1,926,018.61
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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.