Finding the Fourth Proportional to 2,911,324.88, 4,017,644.26 and 1,688,355.50
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Solution
The fourth proportional to 2,911,324.88, 4,017,644.26 and 1,688,355.50 is: 2,329,939.82
Step by Step Solution
- Step 1: Write the proportion equation
2,911,324.88 : 4,017,644.26 = 1,688,355.50 : x - Step 2: Convert to fraction form
2,911,324.88/4,017,644.26 = 1,688,355.50/x - Step 3: Cross multiply
2,911,324.88x = 4,017,644.26 × 1,688,355.50 - Step 4: Simplify right side
2,911,324.88x = 6,783,211,759,105.32 - Step 5: Solve for x
x = 6,783,211,759,105.32/2,911,324.88 - Step 6: Final answer
x = 2,329,939.82
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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.