Finding the Fourth Proportional to 1,565,278.40, 2,160,092.16 and 886,347.20
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Solution
The fourth proportional to 1,565,278.40, 2,160,092.16 and 886,347.20 is: 1,223,163.65
Step by Step Solution
- Step 1: Write the proportion equation
1,565,278.40 : 2,160,092.16 = 886,347.20 : x - Step 2: Convert to fraction form
1,565,278.40/2,160,092.16 = 886,347.20/x - Step 3: Cross multiply
1,565,278.40x = 2,160,092.16 × 886,347.20 - Step 4: Simplify right side
1,565,278.40x = 1,914,591,637,757.95 - Step 5: Solve for x
x = 1,914,591,637,757.95/1,565,278.40 - Step 6: Final answer
x = 1,223,163.65
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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.