Finding the Fourth Proportional to 1,605,938.63, 2,216,206.26 and 880,791.53
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Solution
The fourth proportional to 1,605,938.63, 2,216,206.26 and 880,791.53 is: 1,215,498.31
Step by Step Solution
- Step 1: Write the proportion equation
1,605,938.63 : 2,216,206.26 = 880,791.53 : x - Step 2: Convert to fraction form
1,605,938.63/2,216,206.26 = 880,791.53/x - Step 3: Cross multiply
1,605,938.63x = 2,216,206.26 × 880,791.53 - Step 4: Simplify right side
1,605,938.63x = 1,952,015,698,137.02 - Step 5: Solve for x
x = 1,952,015,698,137.02/1,605,938.63 - Step 6: Final answer
x = 1,215,498.31
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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.