Finding the Fourth Proportional to 4,269,887.28, 5,891,862.51 and 2,550,642.84
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Solution
The fourth proportional to 4,269,887.28, 5,891,862.51 and 2,550,642.84 is: 3,519,539.50
Step by Step Solution
- Step 1: Write the proportion equation
4,269,887.28 : 5,891,862.51 = 2,550,642.84 : x - Step 2: Convert to fraction form
4,269,887.28/5,891,862.51 = 2,550,642.84/x - Step 3: Cross multiply
4,269,887.28x = 5,891,862.51 × 2,550,642.84 - Step 4: Simplify right side
4,269,887.28x = 15,028,036,925,395.93 - Step 5: Solve for x
x = 15,028,036,925,395.93/4,269,887.28 - Step 6: Final answer
x = 3,519,539.50
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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.