Finding the Fourth Proportional to 2,679,887.98, 3,698,268.77 and 1,456,193.49
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Solution
The fourth proportional to 2,679,887.98, 3,698,268.77 and 1,456,193.49 is: 2,009,559.71
Step by Step Solution
- Step 1: Write the proportion equation
2,679,887.98 : 3,698,268.77 = 1,456,193.49 : x - Step 2: Convert to fraction form
2,679,887.98/3,698,268.77 = 1,456,193.49/x - Step 3: Cross multiply
2,679,887.98x = 3,698,268.77 × 1,456,193.49 - Step 4: Simplify right side
2,679,887.98x = 5,385,394,907,144.31 - Step 5: Solve for x
x = 5,385,394,907,144.31/2,679,887.98 - Step 6: Final answer
x = 2,009,559.71
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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.