Finding the Fourth Proportional to 1,339,683.18, 1,847,495.97 and 879,986.58
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Solution
The fourth proportional to 1,339,683.18, 1,847,495.97 and 879,986.58 is: 1,213,549.36
Step by Step Solution
- Step 1: Write the proportion equation
1,339,683.18 : 1,847,495.97 = 879,986.58 : x - Step 2: Convert to fraction form
1,339,683.18/1,847,495.97 = 879,986.58/x - Step 3: Cross multiply
1,339,683.18x = 1,847,495.97 × 879,986.58 - Step 4: Simplify right side
1,339,683.18x = 1,625,771,660,204.08 - Step 5: Solve for x
x = 1,625,771,660,204.08/1,339,683.18 - Step 6: Final answer
x = 1,213,549.36
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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.