Finding the Fourth Proportional to 1,542,586.79, 2,128,516.71 and 969,221
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Solution
The fourth proportional to 1,542,586.79, 2,128,516.71 and 969,221 is: 1,337,365.98
Step by Step Solution
- Step 1: Write the proportion equation
1,542,586.79 : 2,128,516.71 = 969,221 : x - Step 2: Convert to fraction form
1,542,586.79/2,128,516.71 = 969,221/x - Step 3: Cross multiply
1,542,586.79x = 2,128,516.71 × 969,221 - Step 4: Simplify right side
1,542,586.79x = 2,063,003,094,182.91 - Step 5: Solve for x
x = 2,063,003,094,182.91/1,542,586.79 - Step 6: Final answer
x = 1,337,365.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.