Finding the Fourth Proportional to 1,684,400.16, 2,324,373.52 and 920,459.68
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Solution
The fourth proportional to 1,684,400.16, 2,324,373.52 and 920,459.68 is: 1,270,180.42
Step by Step Solution
- Step 1: Write the proportion equation
1,684,400.16 : 2,324,373.52 = 920,459.68 : x - Step 2: Convert to fraction form
1,684,400.16/2,324,373.52 = 920,459.68/x - Step 3: Cross multiply
1,684,400.16x = 2,324,373.52 × 920,459.68 - Step 4: Simplify right side
1,684,400.16x = 2,139,492,106,419.67 - Step 5: Solve for x
x = 2,139,492,106,419.67/1,684,400.16 - Step 6: Final answer
x = 1,270,180.42
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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.