Finding the Fourth Proportional to 2,921,878.21, 4,032,114.55 and 1,632,729.19
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Solution
The fourth proportional to 2,921,878.21, 4,032,114.55 and 1,632,729.19 is: 2,253,123.04
Step by Step Solution
- Step 1: Write the proportion equation
2,921,878.21 : 4,032,114.55 = 1,632,729.19 : x - Step 2: Convert to fraction form
2,921,878.21/4,032,114.55 = 1,632,729.19/x - Step 3: Cross multiply
2,921,878.21x = 4,032,114.55 × 1,632,729.19 - Step 4: Simplify right side
2,921,878.21x = 6,583,351,123,208.71 - Step 5: Solve for x
x = 6,583,351,123,208.71/2,921,878.21 - Step 6: Final answer
x = 2,253,123.04
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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.