Finding the Fourth Proportional to 2,087,874, 3,129,572.16 and 1,367,943.84
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Solution
The fourth proportional to 2,087,874, 3,129,572.16 and 1,367,943.84 is: 2,050,448.91
Step by Step Solution
- Step 1: Write the proportion equation
2,087,874 : 3,129,572.16 = 1,367,943.84 : x - Step 2: Convert to fraction form
2,087,874/3,129,572.16 = 1,367,943.84/x - Step 3: Cross multiply
2,087,874x = 3,129,572.16 × 1,367,943.84 - Step 4: Simplify right side
2,087,874x = 4,281,078,958,107.49 - Step 5: Solve for x
x = 4,281,078,958,107.49/2,087,874 - Step 6: Final answer
x = 2,050,448.91
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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.