Finding the Fourth Proportional to 1,944,000.20, 2,916,000.30 and 1,237,161.80
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Solution
The fourth proportional to 1,944,000.20, 2,916,000.30 and 1,237,161.80 is: 1,855,742.70
Step by Step Solution
- Step 1: Write the proportion equation
1,944,000.20 : 2,916,000.30 = 1,237,161.80 : x - Step 2: Convert to fraction form
1,944,000.20/2,916,000.30 = 1,237,161.80/x - Step 3: Cross multiply
1,944,000.20x = 2,916,000.30 × 1,237,161.80 - Step 4: Simplify right side
1,944,000.20x = 3,607,564,179,948.54 - Step 5: Solve for x
x = 3,607,564,179,948.54/1,944,000.20 - Step 6: Final answer
x = 1,855,742.70
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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.