Finding the Fourth Proportional to 1,670,395.93, 2,305,146.44 and 906,449.50
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Solution
The fourth proportional to 1,670,395.93, 2,305,146.44 and 906,449.50 is: 1,250,900.33
Step by Step Solution
- Step 1: Write the proportion equation
1,670,395.93 : 2,305,146.44 = 906,449.50 : x - Step 2: Convert to fraction form
1,670,395.93/2,305,146.44 = 906,449.50/x - Step 3: Cross multiply
1,670,395.93x = 2,305,146.44 × 906,449.50 - Step 4: Simplify right side
1,670,395.93x = 2,089,498,828,446.30 - Step 5: Solve for x
x = 2,089,498,828,446.30/1,670,395.93 - Step 6: Final answer
x = 1,250,900.33
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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.