Finding the Fourth Proportional to 6,133,523.99, 8,464,320.99 and 3,380,312.12
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Solution
The fourth proportional to 6,133,523.99, 8,464,320.99 and 3,380,312.12 is: 4,664,862.62
Step by Step Solution
- Step 1: Write the proportion equation
6,133,523.99 : 8,464,320.99 = 3,380,312.12 : x - Step 2: Convert to fraction form
6,133,523.99/8,464,320.99 = 3,380,312.12/x - Step 3: Cross multiply
6,133,523.99x = 8,464,320.99 × 3,380,312.12 - Step 4: Simplify right side
6,133,523.99x = 28,612,046,787,745.80 - Step 5: Solve for x
x = 28,612,046,787,745.80/6,133,523.99 - Step 6: Final answer
x = 4,664,862.62
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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.