Finding the Fourth Proportional to 5,680,579.40, 8,518,244.70 and 2,484,060.20
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Solution
The fourth proportional to 5,680,579.40, 8,518,244.70 and 2,484,060.20 is: 3,724,942.68
Step by Step Solution
- Step 1: Write the proportion equation
5,680,579.40 : 8,518,244.70 = 2,484,060.20 : x - Step 2: Convert to fraction form
5,680,579.40/8,518,244.70 = 2,484,060.20/x - Step 3: Cross multiply
5,680,579.40x = 8,518,244.70 × 2,484,060.20 - Step 4: Simplify right side
5,680,579.40x = 21,159,832,633,130.94 - Step 5: Solve for x
x = 21,159,832,633,130.94/5,680,579.40 - Step 6: Final answer
x = 3,724,942.68
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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.