Finding the Fourth Proportional to 2,390,704.63, 3,299,076.15 and 1,302,952.79
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Solution
The fourth proportional to 2,390,704.63, 3,299,076.15 and 1,302,952.79 is: 1,798,022.40
Step by Step Solution
- Step 1: Write the proportion equation
2,390,704.63 : 3,299,076.15 = 1,302,952.79 : x - Step 2: Convert to fraction form
2,390,704.63/3,299,076.15 = 1,302,952.79/x - Step 3: Cross multiply
2,390,704.63x = 3,299,076.15 × 1,302,952.79 - Step 4: Simplify right side
2,390,704.63x = 4,298,540,474,064.96 - Step 5: Solve for x
x = 4,298,540,474,064.96/2,390,704.63 - Step 6: Final answer
x = 1,798,022.40
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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.