Finding the Fourth Proportional to 1,542,217.39, 2,128,267.26 and 863,285.11
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Solution
The fourth proportional to 1,542,217.39, 2,128,267.26 and 863,285.11 is: 1,191,337.52
Step by Step Solution
- Step 1: Write the proportion equation
1,542,217.39 : 2,128,267.26 = 863,285.11 : x - Step 2: Convert to fraction form
1,542,217.39/2,128,267.26 = 863,285.11/x - Step 3: Cross multiply
1,542,217.39x = 2,128,267.26 × 863,285.11 - Step 4: Simplify right side
1,542,217.39x = 1,837,301,435,658.50 - Step 5: Solve for x
x = 1,837,301,435,658.50/1,542,217.39 - Step 6: Final answer
x = 1,191,337.52
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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.