Finding the Fourth Proportional to 1,228,029.64, 1,833,409.84 and 938,325.08
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Solution
The fourth proportional to 1,228,029.64, 1,833,409.84 and 938,325.08 is: 1,400,889.99
Step by Step Solution
- Step 1: Write the proportion equation
1,228,029.64 : 1,833,409.84 = 938,325.08 : x - Step 2: Convert to fraction form
1,228,029.64/1,833,409.84 = 938,325.08/x - Step 3: Cross multiply
1,228,029.64x = 1,833,409.84 × 938,325.08 - Step 4: Simplify right side
1,228,029.64x = 1,720,334,434,790.79 - Step 5: Solve for x
x = 1,720,334,434,790.79/1,228,029.64 - Step 6: Final answer
x = 1,400,889.99
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.