Finding the Fourth Proportional to 1,550,946.12, 2,141,937.37 and 1,381,879.68
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Solution
The fourth proportional to 1,550,946.12, 2,141,937.37 and 1,381,879.68 is: 1,908,447.81
Step by Step Solution
- Step 1: Write the proportion equation
1,550,946.12 : 2,141,937.37 = 1,381,879.68 : x - Step 2: Convert to fraction form
1,550,946.12/2,141,937.37 = 1,381,879.68/x - Step 3: Cross multiply
1,550,946.12x = 2,141,937.37 × 1,381,879.68 - Step 4: Simplify right side
1,550,946.12x = 2,959,899,727,435.64 - Step 5: Solve for x
x = 2,959,899,727,435.64/1,550,946.12 - Step 6: Final answer
x = 1,908,447.81
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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.