Finding the Fourth Proportional to 1,934,277.12, 2,668,537.60 and 1,118,330.88
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Solution
The fourth proportional to 1,934,277.12, 2,668,537.60 and 1,118,330.88 is: 1,542,854.42
Step by Step Solution
- Step 1: Write the proportion equation
1,934,277.12 : 2,668,537.60 = 1,118,330.88 : x - Step 2: Convert to fraction form
1,934,277.12/2,668,537.60 = 1,118,330.88/x - Step 3: Cross multiply
1,934,277.12x = 2,668,537.60 × 1,118,330.88 - Step 4: Simplify right side
1,934,277.12x = 2,984,308,002,521.09 - Step 5: Solve for x
x = 2,984,308,002,521.09/1,934,277.12 - Step 6: Final answer
x = 1,542,854.42
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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.