Finding the Fourth Proportional to 1,582,949.63, 2,184,510.41 and 971,440.13
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Solution
The fourth proportional to 1,582,949.63, 2,184,510.41 and 971,440.13 is: 1,340,611.88
Step by Step Solution
- Step 1: Write the proportion equation
1,582,949.63 : 2,184,510.41 = 971,440.13 : x - Step 2: Convert to fraction form
1,582,949.63/2,184,510.41 = 971,440.13/x - Step 3: Cross multiply
1,582,949.63x = 2,184,510.41 × 971,440.13 - Step 4: Simplify right side
1,582,949.63x = 2,122,121,071,819.55 - Step 5: Solve for x
x = 2,122,121,071,819.55/1,582,949.63 - Step 6: Final answer
x = 1,340,611.88
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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.