Finding the Fourth Proportional to 1,492,879.96, 2,239,321.56 and 370,948.96
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Solution
The fourth proportional to 1,492,879.96, 2,239,321.56 and 370,948.96 is: 556,423.84
Step by Step Solution
- Step 1: Write the proportion equation
1,492,879.96 : 2,239,321.56 = 370,948.96 : x - Step 2: Convert to fraction form
1,492,879.96/2,239,321.56 = 370,948.96/x - Step 3: Cross multiply
1,492,879.96x = 2,239,321.56 × 370,948.96 - Step 4: Simplify right side
1,492,879.96x = 830,674,003,787.58 - Step 5: Solve for x
x = 830,674,003,787.58/1,492,879.96 - Step 6: Final answer
x = 556,423.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.