Finding the Fourth Proportional to 1,461,453.32, 2,176,769.36 and 1,395,881.26
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Solution
The fourth proportional to 1,461,453.32, 2,176,769.36 and 1,395,881.26 is: 2,079,102.70
Step by Step Solution
- Step 1: Write the proportion equation
1,461,453.32 : 2,176,769.36 = 1,395,881.26 : x - Step 2: Convert to fraction form
1,461,453.32/2,176,769.36 = 1,395,881.26/x - Step 3: Cross multiply
1,461,453.32x = 2,176,769.36 × 1,395,881.26 - Step 4: Simplify right side
1,461,453.32x = 3,038,511,555,013.97 - Step 5: Solve for x
x = 3,038,511,555,013.97/1,461,453.32 - Step 6: Final answer
x = 2,079,102.70
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.