Finding the Fourth Proportional to 4,982,738.91, 7,473,398.66 and 1,570,582.06
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Solution
The fourth proportional to 4,982,738.91, 7,473,398.66 and 1,570,582.06 is: 2,355,649.39
Step by Step Solution
- Step 1: Write the proportion equation
4,982,738.91 : 7,473,398.66 = 1,570,582.06 : x - Step 2: Convert to fraction form
4,982,738.91/7,473,398.66 = 1,570,582.06/x - Step 3: Cross multiply
4,982,738.91x = 7,473,398.66 × 1,570,582.06 - Step 4: Simplify right side
4,982,738.91x = 11,737,585,841,977.32 - Step 5: Solve for x
x = 11,737,585,841,977.32/4,982,738.91 - Step 6: Final answer
x = 2,355,649.39
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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.