Finding the Fourth Proportional to 1,948,962.24, 2,689,587.84 and 1,089,570.24
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Solution
The fourth proportional to 1,948,962.24, 2,689,587.84 and 1,089,570.24 is: 1,503,618.08
Step by Step Solution
- Step 1: Write the proportion equation
1,948,962.24 : 2,689,587.84 = 1,089,570.24 : x - Step 2: Convert to fraction form
1,948,962.24/2,689,587.84 = 1,089,570.24/x - Step 3: Cross multiply
1,948,962.24x = 2,689,587.84 × 1,089,570.24 - Step 4: Simplify right side
1,948,962.24x = 2,930,494,868,329.88 - Step 5: Solve for x
x = 2,930,494,868,329.88/1,948,962.24 - Step 6: Final answer
x = 1,503,618.08
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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.