Finding the Fourth Proportional to 1,579,208.16, 2,368,812.67 and 442,137.89
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Solution
The fourth proportional to 1,579,208.16, 2,368,812.67 and 442,137.89 is: 663,206.96
Step by Step Solution
- Step 1: Write the proportion equation
1,579,208.16 : 2,368,812.67 = 442,137.89 : x - Step 2: Convert to fraction form
1,579,208.16/2,368,812.67 = 442,137.89/x - Step 3: Cross multiply
1,579,208.16x = 2,368,812.67 × 442,137.89 - Step 4: Simplify right side
1,579,208.16x = 1,047,341,840,535.75 - Step 5: Solve for x
x = 1,047,341,840,535.75/1,579,208.16 - Step 6: Final answer
x = 663,206.96
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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.