Finding the Fourth Proportional to 6,908,276.90, 10,362,318.15 and 3,121,753.70
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Solution
The fourth proportional to 6,908,276.90, 10,362,318.15 and 3,121,753.70 is: 4,682,586.63
Step by Step Solution
- Step 1: Write the proportion equation
6,908,276.90 : 10,362,318.15 = 3,121,753.70 : x - Step 2: Convert to fraction form
6,908,276.90/10,362,318.15 = 3,121,753.70/x - Step 3: Cross multiply
6,908,276.90x = 10,362,318.15 × 3,121,753.70 - Step 4: Simplify right side
6,908,276.90x = 32,348,605,025,339.66 - Step 5: Solve for x
x = 32,348,605,025,339.66/6,908,276.90 - Step 6: Final answer
x = 4,682,586.63
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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.