Finding the Fourth Proportional to 1,948,880.66, 2,689,466.10 and 1,089,477.14
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Solution
The fourth proportional to 1,948,880.66, 2,689,466.10 and 1,089,477.14 is: 1,503,484.48
Step by Step Solution
- Step 1: Write the proportion equation
1,948,880.66 : 2,689,466.10 = 1,089,477.14 : x - Step 2: Convert to fraction form
1,948,880.66/2,689,466.10 = 1,089,477.14/x - Step 3: Cross multiply
1,948,880.66x = 2,689,466.10 × 1,089,477.14 - Step 4: Simplify right side
1,948,880.66x = 2,930,111,834,754.95 - Step 5: Solve for x
x = 2,930,111,834,754.95/1,948,880.66 - Step 6: Final answer
x = 1,503,484.48
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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.