Finding the Fourth Proportional to 3,164,342.99, 4,366,690.81 and 1,768,867.49
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Solution
The fourth proportional to 3,164,342.99, 4,366,690.81 and 1,768,867.49 is: 2,440,979.84
Step by Step Solution
- Step 1: Write the proportion equation
3,164,342.99 : 4,366,690.81 = 1,768,867.49 : x - Step 2: Convert to fraction form
3,164,342.99/4,366,690.81 = 1,768,867.49/x - Step 3: Cross multiply
3,164,342.99x = 4,366,690.81 × 1,768,867.49 - Step 4: Simplify right side
3,164,342.99x = 7,724,097,425,818.58 - Step 5: Solve for x
x = 7,724,097,425,818.58/3,164,342.99 - Step 6: Final answer
x = 2,440,979.84
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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.