Finding the Fourth Proportional to 2,354,674.80, 3,249,457.56 and 1,336,076.88
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Solution
The fourth proportional to 2,354,674.80, 3,249,457.56 and 1,336,076.88 is: 1,843,789.69
Step by Step Solution
- Step 1: Write the proportion equation
2,354,674.80 : 3,249,457.56 = 1,336,076.88 : x - Step 2: Convert to fraction form
2,354,674.80/3,249,457.56 = 1,336,076.88/x - Step 3: Cross multiply
2,354,674.80x = 3,249,457.56 × 1,336,076.88 - Step 4: Simplify right side
2,354,674.80x = 4,341,525,118,457.21 - Step 5: Solve for x
x = 4,341,525,118,457.21/2,354,674.80 - Step 6: Final answer
x = 1,843,789.69
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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.