Finding the Fourth Proportional to 1,397,510.52, 2,094,771.07 and 638,214.19
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Solution
The fourth proportional to 1,397,510.52, 2,094,771.07 and 638,214.19 is: 956,638.68
Step by Step Solution
- Step 1: Write the proportion equation
1,397,510.52 : 2,094,771.07 = 638,214.19 : x - Step 2: Convert to fraction form
1,397,510.52/2,094,771.07 = 638,214.19/x - Step 3: Cross multiply
1,397,510.52x = 2,094,771.07 × 638,214.19 - Step 4: Simplify right side
1,397,510.52x = 1,336,912,615,216.95 - Step 5: Solve for x
x = 1,336,912,615,216.95/1,397,510.52 - Step 6: Final answer
x = 956,638.68
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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.