Finding the Fourth Proportional to 3,162,055.44, 4,363,471.20 and 1,855,125.84
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Solution
The fourth proportional to 3,162,055.44, 4,363,471.20 and 1,855,125.84 is: 2,559,976.68
Step by Step Solution
- Step 1: Write the proportion equation
3,162,055.44 : 4,363,471.20 = 1,855,125.84 : x - Step 2: Convert to fraction form
3,162,055.44/4,363,471.20 = 1,855,125.84/x - Step 3: Cross multiply
3,162,055.44x = 4,363,471.20 × 1,855,125.84 - Step 4: Simplify right side
3,162,055.44x = 8,094,788,175,215.81 - Step 5: Solve for x
x = 8,094,788,175,215.81/3,162,055.44 - Step 6: Final answer
x = 2,559,976.68
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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.