Finding the Fourth Proportional to 6,476,138.64, 9,712,434.36 and 2,432,313.72
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Solution
The fourth proportional to 6,476,138.64, 9,712,434.36 and 2,432,313.72 is: 3,647,804.45
Step by Step Solution
- Step 1: Write the proportion equation
6,476,138.64 : 9,712,434.36 = 2,432,313.72 : x - Step 2: Convert to fraction form
6,476,138.64/9,712,434.36 = 2,432,313.72/x - Step 3: Cross multiply
6,476,138.64x = 9,712,434.36 × 2,432,313.72 - Step 4: Simplify right side
6,476,138.64x = 23,623,687,348,427.42 - Step 5: Solve for x
x = 23,623,687,348,427.42/6,476,138.64 - Step 6: Final answer
x = 3,647,804.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.