Finding the Fourth Proportional to 2,854,915.05, 3,939,774.84 and 1,631,600.19
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Solution
The fourth proportional to 2,854,915.05, 3,939,774.84 and 1,631,600.19 is: 2,251,603.73
Step by Step Solution
- Step 1: Write the proportion equation
2,854,915.05 : 3,939,774.84 = 1,631,600.19 : x - Step 2: Convert to fraction form
2,854,915.05/3,939,774.84 = 1,631,600.19/x - Step 3: Cross multiply
2,854,915.05x = 3,939,774.84 × 1,631,600.19 - Step 4: Simplify right side
2,854,915.05x = 6,428,137,377,501.22 - Step 5: Solve for x
x = 6,428,137,377,501.22/2,854,915.05 - Step 6: Final answer
x = 2,251,603.73
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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.