Finding the Fourth Proportional to 5,698,148.40, 7,863,445.92 and 3,119,829.84
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Solution
The fourth proportional to 5,698,148.40, 7,863,445.92 and 3,119,829.84 is: 4,305,365.80
Step by Step Solution
- Step 1: Write the proportion equation
5,698,148.40 : 7,863,445.92 = 3,119,829.84 : x - Step 2: Convert to fraction form
5,698,148.40/7,863,445.92 = 3,119,829.84/x - Step 3: Cross multiply
5,698,148.40x = 7,863,445.92 × 3,119,829.84 - Step 4: Simplify right side
5,698,148.40x = 24,532,613,226,442.25 - Step 5: Solve for x
x = 24,532,613,226,442.25/5,698,148.40 - Step 6: Final answer
x = 4,305,365.80
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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.