Finding the Fourth Proportional to 4,735,291.20, 6,536,478.91 and 3,103,803.70
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Solution
The fourth proportional to 4,735,291.20, 6,536,478.91 and 3,103,803.70 is: 4,284,413.90
Step by Step Solution
- Step 1: Write the proportion equation
4,735,291.20 : 6,536,478.91 = 3,103,803.70 : x - Step 2: Convert to fraction form
4,735,291.20/6,536,478.91 = 3,103,803.70/x - Step 3: Cross multiply
4,735,291.20x = 6,536,478.91 × 3,103,803.70 - Step 4: Simplify right side
4,735,291.20x = 20,287,947,425,829.97 - Step 5: Solve for x
x = 20,287,947,425,829.97/4,735,291.20 - Step 6: Final answer
x = 4,284,413.90
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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.