Finding the Fourth Proportional to 2,861,276.10, 3,948,605.81 and 1,554,554.02
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Solution
The fourth proportional to 2,861,276.10, 3,948,605.81 and 1,554,554.02 is: 2,145,308.88
Step by Step Solution
- Step 1: Write the proportion equation
2,861,276.10 : 3,948,605.81 = 1,554,554.02 : x - Step 2: Convert to fraction form
2,861,276.10/3,948,605.81 = 1,554,554.02/x - Step 3: Cross multiply
2,861,276.10x = 3,948,605.81 × 1,554,554.02 - Step 4: Simplify right side
2,861,276.10x = 6,138,321,035,330.86 - Step 5: Solve for x
x = 6,138,321,035,330.86/2,861,276.10 - Step 6: Final answer
x = 2,145,308.88
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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.