Finding the Fourth Proportional to 4,282,021.18, 6,423,751.74 and 2,123,152.84
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Solution
The fourth proportional to 4,282,021.18, 6,423,751.74 and 2,123,152.84 is: 3,185,086.24
Step by Step Solution
- Step 1: Write the proportion equation
4,282,021.18 : 6,423,751.74 = 2,123,152.84 : x - Step 2: Convert to fraction form
4,282,021.18/6,423,751.74 = 2,123,152.84/x - Step 3: Cross multiply
4,282,021.18x = 6,423,751.74 × 2,123,152.84 - Step 4: Simplify right side
4,282,021.18x = 13,638,606,750,235.94 - Step 5: Solve for x
x = 13,638,606,750,235.94/4,282,021.18 - Step 6: Final answer
x = 3,185,086.24
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1.5x scale
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.