Finding the Fourth Proportional to 2,975,917.05, 4,102,853.72 and 2,148,293.07
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Solution
The fourth proportional to 2,975,917.05, 4,102,853.72 and 2,148,293.07 is: 2,961,820.53
Step by Step Solution
- Step 1: Write the proportion equation
2,975,917.05 : 4,102,853.72 = 2,148,293.07 : x - Step 2: Convert to fraction form
2,975,917.05/4,102,853.72 = 2,148,293.07/x - Step 3: Cross multiply
2,975,917.05x = 4,102,853.72 × 2,148,293.07 - Step 4: Simplify right side
2,975,917.05x = 8,814,132,203,158.25 - Step 5: Solve for x
x = 8,814,132,203,158.25/2,975,917.05 - Step 6: Final answer
x = 2,961,820.53
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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.