Finding the Fourth Proportional to 1,651,275.48, 2,278,836.90 and 1,031,447.70
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Solution
The fourth proportional to 1,651,275.48, 2,278,836.90 and 1,031,447.70 is: 1,423,445.76
Step by Step Solution
- Step 1: Write the proportion equation
1,651,275.48 : 2,278,836.90 = 1,031,447.70 : x - Step 2: Convert to fraction form
1,651,275.48/2,278,836.90 = 1,031,447.70/x - Step 3: Cross multiply
1,651,275.48x = 2,278,836.90 × 1,031,447.70 - Step 4: Simplify right side
1,651,275.48x = 2,350,501,079,180.13 - Step 5: Solve for x
x = 2,350,501,079,180.13/1,651,275.48 - Step 6: Final answer
x = 1,423,445.76
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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.