Finding the Fourth Proportional to 1,752,294.74, 2,419,261.49 and 1,343,611.53
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Solution
The fourth proportional to 1,752,294.74, 2,419,261.49 and 1,343,611.53 is: 1,855,023.34
Step by Step Solution
- Step 1: Write the proportion equation
1,752,294.74 : 2,419,261.49 = 1,343,611.53 : x - Step 2: Convert to fraction form
1,752,294.74/2,419,261.49 = 1,343,611.53/x - Step 3: Cross multiply
1,752,294.74x = 2,419,261.49 × 1,343,611.53 - Step 4: Simplify right side
1,752,294.74x = 3,250,547,635,408.01 - Step 5: Solve for x
x = 3,250,547,635,408.01/1,752,294.74 - Step 6: Final answer
x = 1,855,023.34
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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.