Finding the Fourth Proportional to 2,021,872.70, 3,032,809.05 and 1,835,248.70
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Solution
The fourth proportional to 2,021,872.70, 3,032,809.05 and 1,835,248.70 is: 2,752,873.05
Step by Step Solution
- Step 1: Write the proportion equation
2,021,872.70 : 3,032,809.05 = 1,835,248.70 : x - Step 2: Convert to fraction form
2,021,872.70/3,032,809.05 = 1,835,248.70/x - Step 3: Cross multiply
2,021,872.70x = 3,032,809.05 × 1,835,248.70 - Step 4: Simplify right side
2,021,872.70x = 5,565,958,866,360.73 - Step 5: Solve for x
x = 5,565,958,866,360.73/2,021,872.70 - Step 6: Final answer
x = 2,752,873.05
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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.