Finding the Fourth Proportional to 1,486,424.96, 2,051,272.32 and 807,372.80
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Solution
The fourth proportional to 1,486,424.96, 2,051,272.32 and 807,372.80 is: 1,114,177.66
Step by Step Solution
- Step 1: Write the proportion equation
1,486,424.96 : 2,051,272.32 = 807,372.80 : x - Step 2: Convert to fraction form
1,486,424.96/2,051,272.32 = 807,372.80/x - Step 3: Cross multiply
1,486,424.96x = 2,051,272.32 × 807,372.80 - Step 4: Simplify right side
1,486,424.96x = 1,656,141,476,560.90 - Step 5: Solve for x
x = 1,656,141,476,560.90/1,486,424.96 - Step 6: Final answer
x = 1,114,177.66
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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.