Finding the Fourth Proportional to 5,615,078.60, 7,748,883.81 and 3,167,682.09
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Solution
The fourth proportional to 5,615,078.60, 7,748,883.81 and 3,167,682.09 is: 4,371,443.79
Step by Step Solution
- Step 1: Write the proportion equation
5,615,078.60 : 7,748,883.81 = 3,167,682.09 : x - Step 2: Convert to fraction form
5,615,078.60/7,748,883.81 = 3,167,682.09/x - Step 3: Cross multiply
5,615,078.60x = 7,748,883.81 × 3,167,682.09 - Step 4: Simplify right side
5,615,078.60x = 24,546,000,462,427.96 - Step 5: Solve for x
x = 24,546,000,462,427.96/5,615,078.60 - Step 6: Final answer
x = 4,371,443.79
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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.