Finding the Fourth Proportional to 2,778,180.12, 3,832,753.95 and 1,810,957.50
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Solution
The fourth proportional to 2,778,180.12, 3,832,753.95 and 1,810,957.50 is: 2,498,381.75
Step by Step Solution
- Step 1: Write the proportion equation
2,778,180.12 : 3,832,753.95 = 1,810,957.50 : x - Step 2: Convert to fraction form
2,778,180.12/3,832,753.95 = 1,810,957.50/x - Step 3: Cross multiply
2,778,180.12x = 3,832,753.95 × 1,810,957.50 - Step 4: Simplify right side
2,778,180.12x = 6,940,954,511,407.13 - Step 5: Solve for x
x = 6,940,954,511,407.13/2,778,180.12 - Step 6: Final answer
x = 2,498,381.75
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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.