Finding the Fourth Proportional to 2,900,879.06, 4,350,836.00 and 878,642.18
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Solution
The fourth proportional to 2,900,879.06, 4,350,836.00 and 878,642.18 is: 1,317,817.09
Step by Step Solution
- Step 1: Write the proportion equation
2,900,879.06 : 4,350,836.00 = 878,642.18 : x - Step 2: Convert to fraction form
2,900,879.06/4,350,836.00 = 878,642.18/x - Step 3: Cross multiply
2,900,879.06x = 4,350,836.00 × 878,642.18 - Step 4: Simplify right side
2,900,879.06x = 3,822,828,008,304.91 - Step 5: Solve for x
x = 3,822,828,008,304.91/2,900,879.06 - Step 6: Final answer
x = 1,317,817.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.