Finding the Fourth Proportional to 1,437,515.10, 1,984,046.40 and 864,739.80
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Solution
The fourth proportional to 1,437,515.10, 1,984,046.40 and 864,739.80 is: 1,193,506.69
Step by Step Solution
- Step 1: Write the proportion equation
1,437,515.10 : 1,984,046.40 = 864,739.80 : x - Step 2: Convert to fraction form
1,437,515.10/1,984,046.40 = 864,739.80/x - Step 3: Cross multiply
1,437,515.10x = 1,984,046.40 × 864,739.80 - Step 4: Simplify right side
1,437,515.10x = 1,715,683,887,126.72 - Step 5: Solve for x
x = 1,715,683,887,126.72/1,437,515.10 - Step 6: Final answer
x = 1,193,506.69
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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.