Finding the Fourth Proportional to 4,014,375.24, 5,539,878.72 and 2,178,848.88
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Solution
The fourth proportional to 4,014,375.24, 5,539,878.72 and 2,178,848.88 is: 3,006,833.65
Step by Step Solution
- Step 1: Write the proportion equation
4,014,375.24 : 5,539,878.72 = 2,178,848.88 : x - Step 2: Convert to fraction form
4,014,375.24/5,539,878.72 = 2,178,848.88/x - Step 3: Cross multiply
4,014,375.24x = 5,539,878.72 × 2,178,848.88 - Step 4: Simplify right side
4,014,375.24x = 12,070,558,544,407.83 - Step 5: Solve for x
x = 12,070,558,544,407.83/4,014,375.24 - Step 6: Final answer
x = 3,006,833.65
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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.