Finding the Fourth Proportional to 3,716,898.15, 5,129,398.38 and 2,085,423.49
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Solution
The fourth proportional to 3,716,898.15, 5,129,398.38 and 2,085,423.49 is: 2,877,928.70
Step by Step Solution
- Step 1: Write the proportion equation
3,716,898.15 : 5,129,398.38 = 2,085,423.49 : x - Step 2: Convert to fraction form
3,716,898.15/5,129,398.38 = 2,085,423.49/x - Step 3: Cross multiply
3,716,898.15x = 5,129,398.38 × 2,085,423.49 - Step 4: Simplify right side
3,716,898.15x = 10,696,967,871,219.95 - Step 5: Solve for x
x = 10,696,967,871,219.95/3,716,898.15 - Step 6: Final answer
x = 2,877,928.70
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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.