Finding the Fourth Proportional to 1,476,266.10, 2,214,399.15 and 1,119,347.70
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Solution
The fourth proportional to 1,476,266.10, 2,214,399.15 and 1,119,347.70 is: 1,679,021.55
Step by Step Solution
- Step 1: Write the proportion equation
1,476,266.10 : 2,214,399.15 = 1,119,347.70 : x - Step 2: Convert to fraction form
1,476,266.10/2,214,399.15 = 1,119,347.70/x - Step 3: Cross multiply
1,476,266.10x = 2,214,399.15 × 1,119,347.70 - Step 4: Simplify right side
1,476,266.10x = 2,478,682,595,434.45 - Step 5: Solve for x
x = 2,478,682,595,434.45/1,476,266.10 - Step 6: Final answer
x = 1,679,021.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.