Finding the Fourth Proportional to 2,905,215.75, 4,358,523.87 and 910,671.75
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Solution
The fourth proportional to 2,905,215.75, 4,358,523.87 and 910,671.75 is: 1,366,227.12
Step by Step Solution
- Step 1: Write the proportion equation
2,905,215.75 : 4,358,523.87 = 910,671.75 : x - Step 2: Convert to fraction form
2,905,215.75/4,358,523.87 = 910,671.75/x - Step 3: Cross multiply
2,905,215.75x = 4,358,523.87 × 910,671.75 - Step 4: Simplify right side
2,905,215.75x = 3,969,184,560,109.67 - Step 5: Solve for x
x = 3,969,184,560,109.67/2,905,215.75 - Step 6: Final answer
x = 1,366,227.12
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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.