Finding the Fourth Proportional to 1,625,781.49, 2,243,578.50 and 900,676.18
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Solution
The fourth proportional to 1,625,781.49, 2,243,578.50 and 900,676.18 is: 1,242,933.14
Step by Step Solution
- Step 1: Write the proportion equation
1,625,781.49 : 2,243,578.50 = 900,676.18 : x - Step 2: Convert to fraction form
1,625,781.49/2,243,578.50 = 900,676.18/x - Step 3: Cross multiply
1,625,781.49x = 2,243,578.50 × 900,676.18 - Step 4: Simplify right side
1,625,781.49x = 2,020,737,703,094.47 - Step 5: Solve for x
x = 2,020,737,703,094.47/1,625,781.49 - Step 6: Final answer
x = 1,242,933.14
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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.