Finding the Fourth Proportional to 3,376,978.36, 4,660,237.68 and 1,828,256.36
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Solution
The fourth proportional to 3,376,978.36, 4,660,237.68 and 1,828,256.36 is: 2,522,997.86
Step by Step Solution
- Step 1: Write the proportion equation
3,376,978.36 : 4,660,237.68 = 1,828,256.36 : x - Step 2: Convert to fraction form
3,376,978.36/4,660,237.68 = 1,828,256.36/x - Step 3: Cross multiply
3,376,978.36x = 4,660,237.68 × 1,828,256.36 - Step 4: Simplify right side
3,376,978.36x = 8,520,109,177,571.65 - Step 5: Solve for x
x = 8,520,109,177,571.65/3,376,978.36 - Step 6: Final answer
x = 2,522,997.86
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.