Finding the Fourth Proportional to 1,579,768.08, 2,369,719.56 and 620,431.60
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Solution
The fourth proportional to 1,579,768.08, 2,369,719.56 and 620,431.60 is: 930,673.89
Step by Step Solution
- Step 1: Write the proportion equation
1,579,768.08 : 2,369,719.56 = 620,431.60 : x - Step 2: Convert to fraction form
1,579,768.08/2,369,719.56 = 620,431.60/x - Step 3: Cross multiply
1,579,768.08x = 2,369,719.56 × 620,431.60 - Step 4: Simplify right side
1,579,768.08x = 1,470,248,898,162.10 - Step 5: Solve for x
x = 1,470,248,898,162.10/1,579,768.08 - Step 6: Final answer
x = 930,673.89
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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.