Finding the Fourth Proportional to 1,625,928.91, 2,242,877.91 and 1,280,492.26
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Solution
The fourth proportional to 1,625,928.91, 2,242,877.91 and 1,280,492.26 is: 1,766,367.39
Step by Step Solution
- Step 1: Write the proportion equation
1,625,928.91 : 2,242,877.91 = 1,280,492.26 : x - Step 2: Convert to fraction form
1,625,928.91/2,242,877.91 = 1,280,492.26/x - Step 3: Cross multiply
1,625,928.91x = 2,242,877.91 × 1,280,492.26 - Step 4: Simplify right side
1,625,928.91x = 2,871,987,803,879.98 - Step 5: Solve for x
x = 2,871,987,803,879.98/1,625,928.91 - Step 6: Final answer
x = 1,766,367.39
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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.