Finding the Fourth Proportional to 3,993,376.20, 5,992,759.55 and 1,564,228.14
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Solution
The fourth proportional to 3,993,376.20, 5,992,759.55 and 1,564,228.14 is: 2,347,397.95
Step by Step Solution
- Step 1: Write the proportion equation
3,993,376.20 : 5,992,759.55 = 1,564,228.14 : x - Step 2: Convert to fraction form
3,993,376.20/5,992,759.55 = 1,564,228.14/x - Step 3: Cross multiply
3,993,376.20x = 5,992,759.55 × 1,564,228.14 - Step 4: Simplify right side
3,993,376.20x = 9,374,043,124,363.74 - Step 5: Solve for x
x = 9,374,043,124,363.74/3,993,376.20 - Step 6: Final answer
x = 2,347,397.95
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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.