Finding the Fourth Proportional to 1,670,785.24, 2,305,685.30 and 906,838.96
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Solution
The fourth proportional to 1,670,785.24, 2,305,685.30 and 906,838.96 is: 1,251,438.67
Step by Step Solution
- Step 1: Write the proportion equation
1,670,785.24 : 2,305,685.30 = 906,838.96 : x - Step 2: Convert to fraction form
1,670,785.24/2,305,685.30 = 906,838.96/x - Step 3: Cross multiply
1,670,785.24x = 2,305,685.30 × 906,838.96 - Step 4: Simplify right side
1,670,785.24x = 2,090,885,259,539.29 - Step 5: Solve for x
x = 2,090,885,259,539.29/1,670,785.24 - Step 6: Final answer
x = 1,251,438.67
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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.