Finding the Fourth Proportional to 2,539,800.18, 3,504,906.12 and 1,378,216.74
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Solution
The fourth proportional to 2,539,800.18, 3,504,906.12 and 1,378,216.74 is: 1,901,929.26
Step by Step Solution
- Step 1: Write the proportion equation
2,539,800.18 : 3,504,906.12 = 1,378,216.74 : x - Step 2: Convert to fraction form
2,539,800.18/3,504,906.12 = 1,378,216.74/x - Step 3: Cross multiply
2,539,800.18x = 3,504,906.12 × 1,378,216.74 - Step 4: Simplify right side
2,539,800.18x = 4,830,520,286,712.45 - Step 5: Solve for x
x = 4,830,520,286,712.45/2,539,800.18 - Step 6: Final answer
x = 1,901,929.26
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1.5x scale
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.