Finding the Fourth Proportional to 1,670,393.94, 2,305,143.62 and 906,447.50
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Solution
The fourth proportional to 1,670,393.94, 2,305,143.62 and 906,447.50 is: 1,250,897.54
Step by Step Solution
- Step 1: Write the proportion equation
1,670,393.94 : 2,305,143.62 = 906,447.50 : x - Step 2: Convert to fraction form
1,670,393.94/2,305,143.62 = 906,447.50/x - Step 3: Cross multiply
1,670,393.94x = 2,305,143.62 × 906,447.50 - Step 4: Simplify right side
1,670,393.94x = 2,089,491,666,957.71 - Step 5: Solve for x
x = 2,089,491,666,957.71/1,670,393.94 - Step 6: Final answer
x = 1,250,897.54
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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.