Finding the Fourth Proportional to 1,955,431.26, 2,698,486.65 and 1,095,991.49
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Solution
The fourth proportional to 1,955,431.26, 2,698,486.65 and 1,095,991.49 is: 1,512,463.50
Step by Step Solution
- Step 1: Write the proportion equation
1,955,431.26 : 2,698,486.65 = 1,095,991.49 : x - Step 2: Convert to fraction form
1,955,431.26/2,698,486.65 = 1,095,991.49/x - Step 3: Cross multiply
1,955,431.26x = 2,698,486.65 × 1,095,991.49 - Step 4: Simplify right side
1,955,431.26x = 2,957,518,411,024.83 - Step 5: Solve for x
x = 2,957,518,411,024.83/1,955,431.26 - Step 6: Final answer
x = 1,512,463.50
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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.