Finding the Fourth Proportional to 4,963,262.55, 7,438,457.21 and 2,228,790.84
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Solution
The fourth proportional to 4,963,262.55, 7,438,457.21 and 2,228,790.84 is: 3,340,295.84
Step by Step Solution
- Step 1: Write the proportion equation
4,963,262.55 : 7,438,457.21 = 2,228,790.84 : x - Step 2: Convert to fraction form
4,963,262.55/7,438,457.21 = 2,228,790.84/x - Step 3: Cross multiply
4,963,262.55x = 7,438,457.21 × 2,228,790.84 - Step 4: Simplify right side
4,963,262.55x = 16,578,765,254,341.79 - Step 5: Solve for x
x = 16,578,765,254,341.79/4,963,262.55 - Step 6: Final answer
x = 3,340,295.84
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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.