Finding the Fourth Proportional to 2,140,730.10, 2,954,206.08 and 1,173,876.84
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Solution
The fourth proportional to 2,140,730.10, 2,954,206.08 and 1,173,876.84 is: 1,619,949.24
Step by Step Solution
- Step 1: Write the proportion equation
2,140,730.10 : 2,954,206.08 = 1,173,876.84 : x - Step 2: Convert to fraction form
2,140,730.10/2,954,206.08 = 1,173,876.84/x - Step 3: Cross multiply
2,140,730.10x = 2,954,206.08 × 1,173,876.84 - Step 4: Simplify right side
2,140,730.10x = 3,467,874,097,899.19 - Step 5: Solve for x
x = 3,467,874,097,899.19/2,140,730.10 - Step 6: Final answer
x = 1,619,949.24
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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.