Finding the Fourth Proportional to 3,641,966.69, 5,026,032.98 and 1,988,201.98
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Solution
The fourth proportional to 3,641,966.69, 5,026,032.98 and 1,988,201.98 is: 2,743,783.67
Step by Step Solution
- Step 1: Write the proportion equation
3,641,966.69 : 5,026,032.98 = 1,988,201.98 : x - Step 2: Convert to fraction form
3,641,966.69/5,026,032.98 = 1,988,201.98/x - Step 3: Cross multiply
3,641,966.69x = 5,026,032.98 × 1,988,201.98 - Step 4: Simplify right side
3,641,966.69x = 9,992,768,722,381.30 - Step 5: Solve for x
x = 9,992,768,722,381.30/3,641,966.69 - Step 6: Final answer
x = 2,743,783.67
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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.