Finding the Fourth Proportional to 6,463,636.49, 9,692,473.86 and 1,913,058.11
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Solution
The fourth proportional to 6,463,636.49, 9,692,473.86 and 1,913,058.11 is: 2,868,704.90
Step by Step Solution
- Step 1: Write the proportion equation
6,463,636.49 : 9,692,473.86 = 1,913,058.11 : x - Step 2: Convert to fraction form
6,463,636.49/9,692,473.86 = 1,913,058.11/x - Step 3: Cross multiply
6,463,636.49x = 9,692,473.86 × 1,913,058.11 - Step 4: Simplify right side
6,463,636.49x = 18,542,265,675,373.63 - Step 5: Solve for x
x = 18,542,265,675,373.63/6,463,636.49 - Step 6: Final answer
x = 2,868,704.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.