Finding the Fourth Proportional to 3,102,127.01, 4,280,873.74 and 1,725,441.09
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Solution
The fourth proportional to 3,102,127.01, 4,280,873.74 and 1,725,441.09 is: 2,381,074.48
Step by Step Solution
- Step 1: Write the proportion equation
3,102,127.01 : 4,280,873.74 = 1,725,441.09 : x - Step 2: Convert to fraction form
3,102,127.01/4,280,873.74 = 1,725,441.09/x - Step 3: Cross multiply
3,102,127.01x = 4,280,873.74 × 1,725,441.09 - Step 4: Simplify right side
3,102,127.01x = 7,386,395,465,516.62 - Step 5: Solve for x
x = 7,386,395,465,516.62/3,102,127.01 - Step 6: Final answer
x = 2,381,074.48
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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.