Finding the Fourth Proportional to 2,984,206.81, 4,118,076.67 and 1,695,043.21
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Solution
The fourth proportional to 2,984,206.81, 4,118,076.67 and 1,695,043.21 is: 2,339,086.51
Step by Step Solution
- Step 1: Write the proportion equation
2,984,206.81 : 4,118,076.67 = 1,695,043.21 : x - Step 2: Convert to fraction form
2,984,206.81/4,118,076.67 = 1,695,043.21/x - Step 3: Cross multiply
2,984,206.81x = 4,118,076.67 × 1,695,043.21 - Step 4: Simplify right side
2,984,206.81x = 6,980,317,889,267.69 - Step 5: Solve for x
x = 6,980,317,889,267.69/2,984,206.81 - Step 6: Final answer
x = 2,339,086.51
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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.