Finding the Fourth Proportional to 1,549,309.68, 2,138,059.19 and 861,046.10
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Solution
The fourth proportional to 1,549,309.68, 2,138,059.19 and 861,046.10 is: 1,188,250.19
Step by Step Solution
- Step 1: Write the proportion equation
1,549,309.68 : 2,138,059.19 = 861,046.10 : x - Step 2: Convert to fraction form
1,549,309.68/2,138,059.19 = 861,046.10/x - Step 3: Cross multiply
1,549,309.68x = 2,138,059.19 × 861,046.10 - Step 4: Simplify right side
1,549,309.68x = 1,840,967,527,118.66 - Step 5: Solve for x
x = 1,840,967,527,118.66/1,549,309.68 - Step 6: Final answer
x = 1,188,250.19
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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.