Finding the Fourth Proportional to 2,085,689.96, 3,128,995.74 and 755,959.40
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Solution
The fourth proportional to 2,085,689.96, 3,128,995.74 and 755,959.40 is: 1,134,106.12
Step by Step Solution
- Step 1: Write the proportion equation
2,085,689.96 : 3,128,995.74 = 755,959.40 : x - Step 2: Convert to fraction form
2,085,689.96/3,128,995.74 = 755,959.40/x - Step 3: Cross multiply
2,085,689.96x = 3,128,995.74 × 755,959.40 - Step 4: Simplify right side
2,085,689.96x = 2,365,393,742,212.96 - Step 5: Solve for x
x = 2,365,393,742,212.96/2,085,689.96 - Step 6: Final answer
x = 1,134,106.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.