Finding the Fourth Proportional to 2,286,387.92, 3,155,373.96 and 1,267,887.44
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Solution
The fourth proportional to 2,286,387.92, 3,155,373.96 and 1,267,887.44 is: 1,749,772.63
Step by Step Solution
- Step 1: Write the proportion equation
2,286,387.92 : 3,155,373.96 = 1,267,887.44 : x - Step 2: Convert to fraction form
2,286,387.92/3,155,373.96 = 1,267,887.44/x - Step 3: Cross multiply
2,286,387.92x = 3,155,373.96 × 1,267,887.44 - Step 4: Simplify right side
2,286,387.92x = 4,000,659,012,387.06 - Step 5: Solve for x
x = 4,000,659,012,387.06/2,286,387.92 - Step 6: Final answer
x = 1,749,772.63
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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.