Finding the Fourth Proportional to 1,670,796.29, 2,305,701.51 and 906,850.19
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Solution
The fourth proportional to 1,670,796.29, 2,305,701.51 and 906,850.19 is: 1,251,454.69
Step by Step Solution
- Step 1: Write the proportion equation
1,670,796.29 : 2,305,701.51 = 906,850.19 : x - Step 2: Convert to fraction form
1,670,796.29/2,305,701.51 = 906,850.19/x - Step 3: Cross multiply
1,670,796.29x = 2,305,701.51 × 906,850.19 - Step 4: Simplify right side
1,670,796.29x = 2,090,925,852,426.79 - Step 5: Solve for x
x = 2,090,925,852,426.79/1,670,796.29 - Step 6: Final answer
x = 1,251,454.69
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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.