Finding the Fourth Proportional to 6,277,977.32, 8,663,009.70 and 3,524,033.96
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Solution
The fourth proportional to 6,277,977.32, 8,663,009.70 and 3,524,033.96 is: 4,862,830.63
Step by Step Solution
- Step 1: Write the proportion equation
6,277,977.32 : 8,663,009.70 = 3,524,033.96 : x - Step 2: Convert to fraction form
6,277,977.32/8,663,009.70 = 3,524,033.96/x - Step 3: Cross multiply
6,277,977.32x = 8,663,009.70 × 3,524,033.96 - Step 4: Simplify right side
6,277,977.32x = 30,528,740,378,609.41 - Step 5: Solve for x
x = 30,528,740,378,609.41/6,277,977.32 - Step 6: Final answer
x = 4,862,830.63
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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.