Finding the Fourth Proportional to 1,818,408.48, 2,510,478.84 and 1,616,646
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Solution
The fourth proportional to 1,818,408.48, 2,510,478.84 and 1,616,646 is: 2,231,927.33
Step by Step Solution
- Step 1: Write the proportion equation
1,818,408.48 : 2,510,478.84 = 1,616,646 : x - Step 2: Convert to fraction form
1,818,408.48/2,510,478.84 = 1,616,646/x - Step 3: Cross multiply
1,818,408.48x = 2,510,478.84 × 1,616,646 - Step 4: Simplify right side
1,818,408.48x = 4,058,555,574,770.64 - Step 5: Solve for x
x = 4,058,555,574,770.64/1,818,408.48 - Step 6: Final answer
x = 2,231,927.33
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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.