Finding the Fourth Proportional to 4,811,663.16, 6,640,095.02 and 2,636,288.69
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Solution
The fourth proportional to 4,811,663.16, 6,640,095.02 and 2,636,288.69 is: 3,638,078.31
Step by Step Solution
- Step 1: Write the proportion equation
4,811,663.16 : 6,640,095.02 = 2,636,288.69 : x - Step 2: Convert to fraction form
4,811,663.16/6,640,095.02 = 2,636,288.69/x - Step 3: Cross multiply
4,811,663.16x = 6,640,095.02 × 2,636,288.69 - Step 4: Simplify right side
4,811,663.16x = 17,505,207,355,369.40 - Step 5: Solve for x
x = 17,505,207,355,369.40/4,811,663.16 - Step 6: Final answer
x = 3,638,078.31
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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.