Finding the Fourth Proportional to 2,585,072.40, 3,567,330.21 and 1,439,152.84
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Solution
The fourth proportional to 2,585,072.40, 3,567,330.21 and 1,439,152.84 is: 1,985,992.11
Step by Step Solution
- Step 1: Write the proportion equation
2,585,072.40 : 3,567,330.21 = 1,439,152.84 : x - Step 2: Convert to fraction form
2,585,072.40/3,567,330.21 = 1,439,152.84/x - Step 3: Cross multiply
2,585,072.40x = 3,567,330.21 × 1,439,152.84 - Step 4: Simplify right side
2,585,072.40x = 5,133,933,402,939.30 - Step 5: Solve for x
x = 5,133,933,402,939.30/2,585,072.40 - Step 6: Final answer
x = 1,985,992.11
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1.5x scale
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.