Finding the Fourth Proportional to 2,187,226.12, 3,019,864.50 and 1,414,729.48
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Solution
The fourth proportional to 2,187,226.12, 3,019,864.50 and 1,414,729.48 is: 1,953,292.02
Step by Step Solution
- Step 1: Write the proportion equation
2,187,226.12 : 3,019,864.50 = 1,414,729.48 : x - Step 2: Convert to fraction form
2,187,226.12/3,019,864.50 = 1,414,729.48/x - Step 3: Cross multiply
2,187,226.12x = 3,019,864.50 × 1,414,729.48 - Step 4: Simplify right side
2,187,226.12x = 4,272,291,333,755.46 - Step 5: Solve for x
x = 4,272,291,333,755.46/2,187,226.12 - Step 6: Final answer
x = 1,953,292.02
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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.