Finding the Fourth Proportional to 2,107,614.84, 2,908,578.87 and 1,291,660.98
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Solution
The fourth proportional to 2,107,614.84, 2,908,578.87 and 1,291,660.98 is: 1,782,535.29
Step by Step Solution
- Step 1: Write the proportion equation
2,107,614.84 : 2,908,578.87 = 1,291,660.98 : x - Step 2: Convert to fraction form
2,107,614.84/2,908,578.87 = 1,291,660.98/x - Step 3: Cross multiply
2,107,614.84x = 2,908,578.87 × 1,291,660.98 - Step 4: Simplify right side
2,107,614.84x = 3,756,897,833,631.49 - Step 5: Solve for x
x = 3,756,897,833,631.49/2,107,614.84 - Step 6: Final answer
x = 1,782,535.29
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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.