Finding the Fourth Proportional to 2,187,148.30, 3,279,738.30 and 838,862.80
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Solution
The fourth proportional to 2,187,148.30, 3,279,738.30 and 838,862.80 is: 1,257,916.74
Step by Step Solution
- Step 1: Write the proportion equation
2,187,148.30 : 3,279,738.30 = 838,862.80 : x - Step 2: Convert to fraction form
2,187,148.30/3,279,738.30 = 838,862.80/x - Step 3: Cross multiply
2,187,148.30x = 3,279,738.30 × 838,862.80 - Step 4: Simplify right side
2,187,148.30x = 2,751,250,453,605.24 - Step 5: Solve for x
x = 2,751,250,453,605.24/2,187,148.30 - Step 6: Final answer
x = 1,257,916.74
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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.