Finding the Fourth Proportional to 1,578,669.64, 2,368,154.08 and 441,431.84
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Solution
The fourth proportional to 1,578,669.64, 2,368,154.08 and 441,431.84 is: 662,189.60
Step by Step Solution
- Step 1: Write the proportion equation
1,578,669.64 : 2,368,154.08 = 441,431.84 : x - Step 2: Convert to fraction form
1,578,669.64/2,368,154.08 = 441,431.84/x - Step 3: Cross multiply
1,578,669.64x = 2,368,154.08 × 441,431.84 - Step 4: Simplify right side
1,578,669.64x = 1,045,378,612,937.91 - Step 5: Solve for x
x = 1,045,378,612,937.91/1,578,669.64 - Step 6: Final answer
x = 662,189.60
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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.