Finding the Fourth Proportional to 3,903,480.08, 5,387,368.18 and 2,249,305.38
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Solution
The fourth proportional to 3,903,480.08, 5,387,368.18 and 2,249,305.38 is: 3,104,367.38
Step by Step Solution
- Step 1: Write the proportion equation
3,903,480.08 : 5,387,368.18 = 2,249,305.38 : x - Step 2: Convert to fraction form
3,903,480.08/5,387,368.18 = 2,249,305.38/x - Step 3: Cross multiply
3,903,480.08x = 5,387,368.18 × 2,249,305.38 - Step 4: Simplify right side
3,903,480.08x = 12,117,836,231,314.81 - Step 5: Solve for x
x = 12,117,836,231,314.81/3,903,480.08 - Step 6: Final answer
x = 3,104,367.38
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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.