Finding the Fourth Proportional to 1,879,934.94, 2,584,334.70 and 1,617,330.92
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Solution
The fourth proportional to 1,879,934.94, 2,584,334.70 and 1,617,330.92 is: 2,223,334.60
Step by Step Solution
- Step 1: Write the proportion equation
1,879,934.94 : 2,584,334.70 = 1,617,330.92 : x - Step 2: Convert to fraction form
1,879,934.94/2,584,334.70 = 1,617,330.92/x - Step 3: Cross multiply
1,879,934.94x = 2,584,334.70 × 1,617,330.92 - Step 4: Simplify right side
1,879,934.94x = 4,179,724,405,017.25 - Step 5: Solve for x
x = 4,179,724,405,017.25/1,879,934.94 - Step 6: Final answer
x = 2,223,334.60
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.