Finding the Fourth Proportional to 1,559,247.61, 2,151,738.99 and 870,929.26
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Solution
The fourth proportional to 1,559,247.61, 2,151,738.99 and 870,929.26 is: 1,201,869.69
Step by Step Solution
- Step 1: Write the proportion equation
1,559,247.61 : 2,151,738.99 = 870,929.26 : x - Step 2: Convert to fraction form
1,559,247.61/2,151,738.99 = 870,929.26/x - Step 3: Cross multiply
1,559,247.61x = 2,151,738.99 × 870,929.26 - Step 4: Simplify right side
1,559,247.61x = 1,874,012,446,273.85 - Step 5: Solve for x
x = 1,874,012,446,273.85/1,559,247.61 - Step 6: Final answer
x = 1,201,869.69
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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.