Finding the Fourth Proportional to 1,955,117.70, 2,698,170.21 and 1,095,953.94
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Solution
The fourth proportional to 1,955,117.70, 2,698,170.21 and 1,095,953.94 is: 1,512,476.86
Step by Step Solution
- Step 1: Write the proportion equation
1,955,117.70 : 2,698,170.21 = 1,095,953.94 : x - Step 2: Convert to fraction form
1,955,117.70/2,698,170.21 = 1,095,953.94/x - Step 3: Cross multiply
1,955,117.70x = 2,698,170.21 × 1,095,953.94 - Step 4: Simplify right side
1,955,117.70x = 2,957,070,272,440.13 - Step 5: Solve for x
x = 2,957,070,272,440.13/1,955,117.70 - Step 6: Final answer
x = 1,512,476.86
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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.