Finding the Fourth Proportional to 1,634,745.51, 2,255,959.94 and 909,623.79
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Solution
The fourth proportional to 1,634,745.51, 2,255,959.94 and 909,623.79 is: 1,255,287.02
Step by Step Solution
- Step 1: Write the proportion equation
1,634,745.51 : 2,255,959.94 = 909,623.79 : x - Step 2: Convert to fraction form
1,634,745.51/2,255,959.94 = 909,623.79/x - Step 3: Cross multiply
1,634,745.51x = 2,255,959.94 × 909,623.79 - Step 4: Simplify right side
1,634,745.51x = 2,052,074,826,162.85 - Step 5: Solve for x
x = 2,052,074,826,162.85/1,634,745.51 - Step 6: Final answer
x = 1,255,287.02
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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.