Finding the Fourth Proportional to 3,126,283.84, 4,686,976.05 and 1,234,441.36
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Solution
The fourth proportional to 3,126,283.84, 4,686,976.05 and 1,234,441.36 is: 1,850,694.75
Step by Step Solution
- Step 1: Write the proportion equation
3,126,283.84 : 4,686,976.05 = 1,234,441.36 : x - Step 2: Convert to fraction form
3,126,283.84/4,686,976.05 = 1,234,441.36/x - Step 3: Cross multiply
3,126,283.84x = 4,686,976.05 × 1,234,441.36 - Step 4: Simplify right side
3,126,283.84x = 5,785,797,089,449.43 - Step 5: Solve for x
x = 5,785,797,089,449.43/3,126,283.84 - Step 6: Final answer
x = 1,850,694.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.