Finding the Fourth Proportional to 3,883,503.64, 5,818,169.58 and 2,168,720.68
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Solution
The fourth proportional to 3,883,503.64, 5,818,169.58 and 2,168,720.68 is: 3,249,123.95
Step by Step Solution
- Step 1: Write the proportion equation
3,883,503.64 : 5,818,169.58 = 2,168,720.68 : x - Step 2: Convert to fraction form
3,883,503.64/5,818,169.58 = 2,168,720.68/x - Step 3: Cross multiply
3,883,503.64x = 5,818,169.58 × 2,168,720.68 - Step 4: Simplify right side
3,883,503.64x = 12,617,984,687,892.92 - Step 5: Solve for x
x = 12,617,984,687,892.92/3,883,503.64 - Step 6: Final answer
x = 3,249,123.95
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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.