Finding the Fourth Proportional to 2,901,311.84, 4,003,730.76 and 1,612,119.08
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Solution
The fourth proportional to 2,901,311.84, 4,003,730.76 and 1,612,119.08 is: 2,224,680.11
Step by Step Solution
- Step 1: Write the proportion equation
2,901,311.84 : 4,003,730.76 = 1,612,119.08 : x - Step 2: Convert to fraction form
2,901,311.84/4,003,730.76 = 1,612,119.08/x - Step 3: Cross multiply
2,901,311.84x = 4,003,730.76 × 1,612,119.08 - Step 4: Simplify right side
2,901,311.84x = 6,454,490,749,378.90 - Step 5: Solve for x
x = 6,454,490,749,378.90/2,901,311.84 - Step 6: Final answer
x = 2,224,680.11
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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.