Finding the Fourth Proportional to 1,972,053.60, 2,952,585.36 and 1,260,324.96
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Solution
The fourth proportional to 1,972,053.60, 2,952,585.36 and 1,260,324.96 is: 1,886,975.60
Step by Step Solution
- Step 1: Write the proportion equation
1,972,053.60 : 2,952,585.36 = 1,260,324.96 : x - Step 2: Convert to fraction form
1,972,053.60/2,952,585.36 = 1,260,324.96/x - Step 3: Cross multiply
1,972,053.60x = 2,952,585.36 × 1,260,324.96 - Step 4: Simplify right side
1,972,053.60x = 3,721,217,025,738.59 - Step 5: Solve for x
x = 3,721,217,025,738.59/1,972,053.60 - Step 6: Final answer
x = 1,886,975.60
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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.