Finding the Fourth Proportional to 1,911,197.83, 2,636,859.23 and 1,084,135.08
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Solution
The fourth proportional to 1,911,197.83, 2,636,859.23 and 1,084,135.08 is: 1,495,769.59
Step by Step Solution
- Step 1: Write the proportion equation
1,911,197.83 : 2,636,859.23 = 1,084,135.08 : x - Step 2: Convert to fraction form
1,911,197.83/2,636,859.23 = 1,084,135.08/x - Step 3: Cross multiply
1,911,197.83x = 2,636,859.23 × 1,084,135.08 - Step 4: Simplify right side
1,911,197.83x = 2,858,711,588,382.98 - Step 5: Solve for x
x = 2,858,711,588,382.98/1,911,197.83 - Step 6: Final answer
x = 1,495,769.59
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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.