Finding the Fourth Proportional to 1,954,426.40, 2,697,272.08 and 1,083,474.08
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Solution
The fourth proportional to 1,954,426.40, 2,697,272.08 and 1,083,474.08 is: 1,495,284.95
Step by Step Solution
- Step 1: Write the proportion equation
1,954,426.40 : 2,697,272.08 = 1,083,474.08 : x - Step 2: Convert to fraction form
1,954,426.40/2,697,272.08 = 1,083,474.08/x - Step 3: Cross multiply
1,954,426.40x = 2,697,272.08 × 1,083,474.08 - Step 4: Simplify right side
1,954,426.40x = 2,922,424,385,387.69 - Step 5: Solve for x
x = 2,922,424,385,387.69/1,954,426.40 - Step 6: Final answer
x = 1,495,284.95
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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.