Finding the Fourth Proportional to 1,609,596.48, 2,221,303.20 and 965,121.60
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Solution
The fourth proportional to 1,609,596.48, 2,221,303.20 and 965,121.60 is: 1,331,903.82
Step by Step Solution
- Step 1: Write the proportion equation
1,609,596.48 : 2,221,303.20 = 965,121.60 : x - Step 2: Convert to fraction form
1,609,596.48/2,221,303.20 = 965,121.60/x - Step 3: Cross multiply
1,609,596.48x = 2,221,303.20 × 965,121.60 - Step 4: Simplify right side
1,609,596.48x = 2,143,827,698,469.12 - Step 5: Solve for x
x = 2,143,827,698,469.12/1,609,596.48 - Step 6: Final answer
x = 1,331,903.82
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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.