Finding the Fourth Proportional to 5,045,820.21, 6,964,029.27 and 3,208,363.02
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Solution
The fourth proportional to 5,045,820.21, 6,964,029.27 and 3,208,363.02 is: 4,428,047.98
Step by Step Solution
- Step 1: Write the proportion equation
5,045,820.21 : 6,964,029.27 = 3,208,363.02 : x - Step 2: Convert to fraction form
5,045,820.21/6,964,029.27 = 3,208,363.02/x - Step 3: Cross multiply
5,045,820.21x = 6,964,029.27 × 3,208,363.02 - Step 4: Simplify right side
5,045,820.21x = 22,343,133,980,065.59 - Step 5: Solve for x
x = 22,343,133,980,065.59/5,045,820.21 - Step 6: Final answer
x = 4,428,047.98
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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.