Finding the Fourth Proportional to 6,371,721.80, 9,557,582.70 and 1,883,997.80
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Solution
The fourth proportional to 6,371,721.80, 9,557,582.70 and 1,883,997.80 is: 2,825,996.70
Step by Step Solution
- Step 1: Write the proportion equation
6,371,721.80 : 9,557,582.70 = 1,883,997.80 : x - Step 2: Convert to fraction form
6,371,721.80/9,557,582.70 = 1,883,997.80/x - Step 3: Cross multiply
6,371,721.80x = 9,557,582.70 × 1,883,997.80 - Step 4: Simplify right side
6,371,721.80x = 18,006,464,780,118.06 - Step 5: Solve for x
x = 18,006,464,780,118.06/6,371,721.80 - Step 6: Final answer
x = 2,825,996.70
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1.5x scale
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.