Finding the Fourth Proportional to 1,579,391.60, 2,179,558.05 and 854,237.07
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Solution
The fourth proportional to 1,579,391.60, 2,179,558.05 and 854,237.07 is: 1,178,845.89
Step by Step Solution
- Step 1: Write the proportion equation
1,579,391.60 : 2,179,558.05 = 854,237.07 : x - Step 2: Convert to fraction form
1,579,391.60/2,179,558.05 = 854,237.07/x - Step 3: Cross multiply
1,579,391.60x = 2,179,558.05 × 854,237.07 - Step 4: Simplify right side
1,579,391.60x = 1,861,859,290,921.08 - Step 5: Solve for x
x = 1,861,859,290,921.08/1,579,391.60 - Step 6: Final answer
x = 1,178,845.89
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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.