Finding the Fourth Proportional to 1,670,766.60, 2,305,660.02 and 906,820.20
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Solution
The fourth proportional to 1,670,766.60, 2,305,660.02 and 906,820.20 is: 1,251,413.02
Step by Step Solution
- Step 1: Write the proportion equation
1,670,766.60 : 2,305,660.02 = 906,820.20 : x - Step 2: Convert to fraction form
1,670,766.60/2,305,660.02 = 906,820.20/x - Step 3: Cross multiply
1,670,766.60x = 2,305,660.02 × 906,820.20 - Step 4: Simplify right side
1,670,766.60x = 2,090,819,080,468.40 - Step 5: Solve for x
x = 2,090,819,080,468.40/1,670,766.60 - Step 6: Final answer
x = 1,251,413.02
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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.