Finding the Fourth Proportional to 1,738,317.84, 2,398,989.48 and 974,371.60
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Solution
The fourth proportional to 1,738,317.84, 2,398,989.48 and 974,371.60 is: 1,344,694.95
Step by Step Solution
- Step 1: Write the proportion equation
1,738,317.84 : 2,398,989.48 = 974,371.60 : x - Step 2: Convert to fraction form
1,738,317.84/2,398,989.48 = 974,371.60/x - Step 3: Cross multiply
1,738,317.84x = 2,398,989.48 × 974,371.60 - Step 4: Simplify right side
1,738,317.84x = 2,337,507,218,010.77 - Step 5: Solve for x
x = 2,337,507,218,010.77/1,738,317.84 - Step 6: Final answer
x = 1,344,694.95
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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.