Finding the Fourth Proportional to 1,418,854.13, 1,958,077.49 and 807,114.66
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Solution
The fourth proportional to 1,418,854.13, 1,958,077.49 and 807,114.66 is: 1,113,851.67
Step by Step Solution
- Step 1: Write the proportion equation
1,418,854.13 : 1,958,077.49 = 807,114.66 : x - Step 2: Convert to fraction form
1,418,854.13/1,958,077.49 = 807,114.66/x - Step 3: Cross multiply
1,418,854.13x = 1,958,077.49 × 807,114.66 - Step 4: Simplify right side
1,418,854.13x = 1,580,393,047,595.00 - Step 5: Solve for x
x = 1,580,393,047,595.00/1,418,854.13 - Step 6: Final answer
x = 1,113,851.67
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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.