Finding the Fourth Proportional to 2,386,153.06, 3,579,790.12 and 788,716.20
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Solution
The fourth proportional to 2,386,153.06, 3,579,790.12 and 788,716.20 is: 1,183,259.58
Step by Step Solution
- Step 1: Write the proportion equation
2,386,153.06 : 3,579,790.12 = 788,716.20 : x - Step 2: Convert to fraction form
2,386,153.06/3,579,790.12 = 788,716.20/x - Step 3: Cross multiply
2,386,153.06x = 3,579,790.12 × 788,716.20 - Step 4: Simplify right side
2,386,153.06x = 2,823,438,460,243.94 - Step 5: Solve for x
x = 2,823,438,460,243.94/2,386,153.06 - Step 6: Final answer
x = 1,183,259.58
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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.