Finding the Fourth Proportional to 2,315,755.68, 3,191,752.92 and 1,539,999.84
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Solution
The fourth proportional to 2,315,755.68, 3,191,752.92 and 1,539,999.84 is: 2,122,546.45
Step by Step Solution
- Step 1: Write the proportion equation
2,315,755.68 : 3,191,752.92 = 1,539,999.84 : x - Step 2: Convert to fraction form
2,315,755.68/3,191,752.92 = 1,539,999.84/x - Step 3: Cross multiply
2,315,755.68x = 3,191,752.92 × 1,539,999.84 - Step 4: Simplify right side
2,315,755.68x = 4,915,298,986,119.53 - Step 5: Solve for x
x = 4,915,298,986,119.53/2,315,755.68 - Step 6: Final answer
x = 2,122,546.45
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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.