Finding the Fourth Proportional to 1,670,740.29, 2,305,623.83 and 906,793.95
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Solution
The fourth proportional to 1,670,740.29, 2,305,623.83 and 906,793.95 is: 1,251,376.86
Step by Step Solution
- Step 1: Write the proportion equation
1,670,740.29 : 2,305,623.83 = 906,793.95 : x - Step 2: Convert to fraction form
1,670,740.29/2,305,623.83 = 906,793.95/x - Step 3: Cross multiply
1,670,740.29x = 2,305,623.83 × 906,793.95 - Step 4: Simplify right side
1,670,740.29x = 2,090,725,740,019.83 - Step 5: Solve for x
x = 2,090,725,740,019.83/1,670,740.29 - Step 6: Final answer
x = 1,251,376.86
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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.