Finding the Fourth Proportional to 4,289,457.60, 5,919,596.64 and 2,454,217.92
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Solution
The fourth proportional to 4,289,457.60, 5,919,596.64 and 2,454,217.92 is: 3,386,903.78
Step by Step Solution
- Step 1: Write the proportion equation
4,289,457.60 : 5,919,596.64 = 2,454,217.92 : x - Step 2: Convert to fraction form
4,289,457.60/5,919,596.64 = 2,454,217.92/x - Step 3: Cross multiply
4,289,457.60x = 5,919,596.64 × 2,454,217.92 - Step 4: Simplify right side
4,289,457.60x = 14,527,980,153,059.79 - Step 5: Solve for x
x = 14,527,980,153,059.79/4,289,457.60 - Step 6: Final answer
x = 3,386,903.78
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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.