Finding the Fourth Proportional to 5,551,868.84, 8,324,235.47 and 2,315,639.18
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Solution
The fourth proportional to 5,551,868.84, 8,324,235.47 and 2,315,639.18 is: 3,471,970.68
Step by Step Solution
- Step 1: Write the proportion equation
5,551,868.84 : 8,324,235.47 = 2,315,639.18 : x - Step 2: Convert to fraction form
5,551,868.84/8,324,235.47 = 2,315,639.18/x - Step 3: Cross multiply
5,551,868.84x = 8,324,235.47 × 2,315,639.18 - Step 4: Simplify right side
5,551,868.84x = 19,275,925,824,477.40 - Step 5: Solve for x
x = 19,275,925,824,477.40/5,551,868.84 - Step 6: Final answer
x = 3,471,970.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.