Finding the Fourth Proportional to 1,948,970.24, 2,689,598.88 and 1,089,578.24
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Solution
The fourth proportional to 1,948,970.24, 2,689,598.88 and 1,089,578.24 is: 1,503,629.12
Step by Step Solution
- Step 1: Write the proportion equation
1,948,970.24 : 2,689,598.88 = 1,089,578.24 : x - Step 2: Convert to fraction form
1,948,970.24/2,689,598.88 = 1,089,578.24/x - Step 3: Cross multiply
1,948,970.24x = 2,689,598.88 × 1,089,578.24 - Step 4: Simplify right side
1,948,970.24x = 2,930,528,413,976.37 - Step 5: Solve for x
x = 2,930,528,413,976.37/1,948,970.24 - Step 6: Final answer
x = 1,503,629.12
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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.