Finding the Fourth Proportional to 1,460,212.74, 2,184,990.39 and 861,460.74
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Solution
The fourth proportional to 1,460,212.74, 2,184,990.39 and 861,460.74 is: 1,289,047.40
Step by Step Solution
- Step 1: Write the proportion equation
1,460,212.74 : 2,184,990.39 = 861,460.74 : x - Step 2: Convert to fraction form
1,460,212.74/2,184,990.39 = 861,460.74/x - Step 3: Cross multiply
1,460,212.74x = 2,184,990.39 × 861,460.74 - Step 4: Simplify right side
1,460,212.74x = 1,882,283,438,262.29 - Step 5: Solve for x
x = 1,882,283,438,262.29/1,460,212.74 - Step 6: Final answer
x = 1,289,047.40
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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.