Finding the Fourth Proportional to 1,472,409.36, 2,031,922.44 and 827,830.80
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Solution
The fourth proportional to 1,472,409.36, 2,031,922.44 and 827,830.80 is: 1,142,405.11
Step by Step Solution
- Step 1: Write the proportion equation
1,472,409.36 : 2,031,922.44 = 827,830.80 : x - Step 2: Convert to fraction form
1,472,409.36/2,031,922.44 = 827,830.80/x - Step 3: Cross multiply
1,472,409.36x = 2,031,922.44 × 827,830.80 - Step 4: Simplify right side
1,472,409.36x = 1,682,087,979,043.15 - Step 5: Solve for x
x = 1,682,087,979,043.15/1,472,409.36 - Step 6: Final answer
x = 1,142,405.11
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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.