Finding the Fourth Proportional to 1,888,349.13, 2,605,848.66 and 1,028,915.82
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Solution
The fourth proportional to 1,888,349.13, 2,605,848.66 and 1,028,915.82 is: 1,419,863.98
Step by Step Solution
- Step 1: Write the proportion equation
1,888,349.13 : 2,605,848.66 = 1,028,915.82 : x - Step 2: Convert to fraction form
1,888,349.13/2,605,848.66 = 1,028,915.82/x - Step 3: Cross multiply
1,888,349.13x = 2,605,848.66 × 1,028,915.82 - Step 4: Simplify right side
1,888,349.13x = 2,681,198,910,799.80 - Step 5: Solve for x
x = 2,681,198,910,799.80/1,888,349.13 - Step 6: Final answer
x = 1,419,863.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.