Finding the Fourth Proportional to 1,579,062.65, 2,368,571.96 and 380,974.91
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Solution
The fourth proportional to 1,579,062.65, 2,368,571.96 and 380,974.91 is: 571,457.05
Step by Step Solution
- Step 1: Write the proportion equation
1,579,062.65 : 2,368,571.96 = 380,974.91 : x - Step 2: Convert to fraction form
1,579,062.65/2,368,571.96 = 380,974.91/x - Step 3: Cross multiply
1,579,062.65x = 2,368,571.96 × 380,974.91 - Step 4: Simplify right side
1,579,062.65x = 902,366,478,399.10 - Step 5: Solve for x
x = 902,366,478,399.10/1,579,062.65 - Step 6: Final answer
x = 571,457.05
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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.