Finding the Fourth Proportional to 2,299,219.88, 3,171,824.58 and 1,786,412.84
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Solution
The fourth proportional to 2,299,219.88, 3,171,824.58 and 1,786,412.84 is: 2,464,395.95
Step by Step Solution
- Step 1: Write the proportion equation
2,299,219.88 : 3,171,824.58 = 1,786,412.84 : x - Step 2: Convert to fraction form
2,299,219.88/3,171,824.58 = 1,786,412.84/x - Step 3: Cross multiply
2,299,219.88x = 3,171,824.58 × 1,786,412.84 - Step 4: Simplify right side
2,299,219.88x = 5,666,188,155,939.61 - Step 5: Solve for x
x = 5,666,188,155,939.61/2,299,219.88 - Step 6: Final answer
x = 2,464,395.95
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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.