Finding the Fourth Proportional to 3,436,065.92, 5,130,959.52 and 2,806,229.12
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Solution
The fourth proportional to 3,436,065.92, 5,130,959.52 and 2,806,229.12 is: 4,190,445.80
Step by Step Solution
- Step 1: Write the proportion equation
3,436,065.92 : 5,130,959.52 = 2,806,229.12 : x - Step 2: Convert to fraction form
3,436,065.92/5,130,959.52 = 2,806,229.12/x - Step 3: Cross multiply
3,436,065.92x = 5,130,959.52 × 2,806,229.12 - Step 4: Simplify right side
3,436,065.92x = 14,398,648,018,565.22 - Step 5: Solve for x
x = 14,398,648,018,565.22/3,436,065.92 - Step 6: Final answer
x = 4,190,445.80
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.