Finding the Fourth Proportional to 4,835,981.69, 6,673,654.68 and 2,660,478.15
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Solution
The fourth proportional to 4,835,981.69, 6,673,654.68 and 2,660,478.15 is: 3,671,459.82
Step by Step Solution
- Step 1: Write the proportion equation
4,835,981.69 : 6,673,654.68 = 2,660,478.15 : x - Step 2: Convert to fraction form
4,835,981.69/6,673,654.68 = 2,660,478.15/x - Step 3: Cross multiply
4,835,981.69x = 6,673,654.68 × 2,660,478.15 - Step 4: Simplify right side
4,835,981.69x = 17,755,112,456,785.24 - Step 5: Solve for x
x = 17,755,112,456,785.24/4,835,981.69 - Step 6: Final answer
x = 3,671,459.82
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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.