Finding the Fourth Proportional to 1,670,635.86, 2,305,479.07 and 906,689.62
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Solution
The fourth proportional to 1,670,635.86, 2,305,479.07 and 906,689.62 is: 1,251,232.53
Step by Step Solution
- Step 1: Write the proportion equation
1,670,635.86 : 2,305,479.07 = 906,689.62 : x - Step 2: Convert to fraction form
1,670,635.86/2,305,479.07 = 906,689.62/x - Step 3: Cross multiply
1,670,635.86x = 2,305,479.07 × 906,689.62 - Step 4: Simplify right side
1,670,635.86x = 2,090,353,941,896.25 - Step 5: Solve for x
x = 2,090,353,941,896.25/1,670,635.86 - Step 6: Final answer
x = 1,251,232.53
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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.