Finding the Fourth Proportional to 2,882,243.49, 3,977,580.60 and 1,575,567.74
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Solution
The fourth proportional to 2,882,243.49, 3,977,580.60 and 1,575,567.74 is: 2,174,329.72
Step by Step Solution
- Step 1: Write the proportion equation
2,882,243.49 : 3,977,580.60 = 1,575,567.74 : x - Step 2: Convert to fraction form
2,882,243.49/3,977,580.60 = 1,575,567.74/x - Step 3: Cross multiply
2,882,243.49x = 3,977,580.60 × 1,575,567.74 - Step 4: Simplify right side
2,882,243.49x = 6,266,947,682,013.86 - Step 5: Solve for x
x = 6,266,947,682,013.86/2,882,243.49 - Step 6: Final answer
x = 2,174,329.72
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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.