Finding the Fourth Proportional to 1,314,979.54, 1,972,581.62 and 461,977.09
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Solution
The fourth proportional to 1,314,979.54, 1,972,581.62 and 461,977.09 is: 693,005.09
Step by Step Solution
- Step 1: Write the proportion equation
1,314,979.54 : 1,972,581.62 = 461,977.09 : x - Step 2: Convert to fraction form
1,314,979.54/1,972,581.62 = 461,977.09/x - Step 3: Cross multiply
1,314,979.54x = 1,972,581.62 × 461,977.09 - Step 4: Simplify right side
1,314,979.54x = 911,287,516,595.09 - Step 5: Solve for x
x = 911,287,516,595.09/1,314,979.54 - Step 6: Final answer
x = 693,005.09
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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.