Finding the Fourth Proportional to 3,931,966.12, 5,423,318.09 and 2,624,558.96
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Solution
The fourth proportional to 3,931,966.12, 5,423,318.09 and 2,624,558.96 is: 3,620,025.63
Step by Step Solution
- Step 1: Write the proportion equation
3,931,966.12 : 5,423,318.09 = 2,624,558.96 : x - Step 2: Convert to fraction form
3,931,966.12/5,423,318.09 = 2,624,558.96/x - Step 3: Cross multiply
3,931,966.12x = 5,423,318.09 × 2,624,558.96 - Step 4: Simplify right side
3,931,966.12x = 14,233,818,111,080.33 - Step 5: Solve for x
x = 14,233,818,111,080.33/3,931,966.12 - Step 6: Final answer
x = 3,620,025.63
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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.