Finding the Fourth Proportional to 5,486,918.40, 8,230,377.60 and 1,497,830.40
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Solution
The fourth proportional to 5,486,918.40, 8,230,377.60 and 1,497,830.40 is: 2,246,745.60
Step by Step Solution
- Step 1: Write the proportion equation
5,486,918.40 : 8,230,377.60 = 1,497,830.40 : x - Step 2: Convert to fraction form
5,486,918.40/8,230,377.60 = 1,497,830.40/x - Step 3: Cross multiply
5,486,918.40x = 8,230,377.60 × 1,497,830.40 - Step 4: Simplify right side
5,486,918.40x = 12,327,709,772,759.04 - Step 5: Solve for x
x = 12,327,709,772,759.04/5,486,918.40 - Step 6: Final answer
x = 2,246,745.60
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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.