Finding the Fourth Proportional to 2,431,488.07, 3,355,463.95 and 1,328,941.68
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Solution
The fourth proportional to 2,431,488.07, 3,355,463.95 and 1,328,941.68 is: 1,833,945.21
Step by Step Solution
- Step 1: Write the proportion equation
2,431,488.07 : 3,355,463.95 = 1,328,941.68 : x - Step 2: Convert to fraction form
2,431,488.07/3,355,463.95 = 1,328,941.68/x - Step 3: Cross multiply
2,431,488.07x = 3,355,463.95 × 1,328,941.68 - Step 4: Simplify right side
2,431,488.07x = 4,459,215,882,115.12 - Step 5: Solve for x
x = 4,459,215,882,115.12/2,431,488.07 - Step 6: Final answer
x = 1,833,945.21
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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.