Finding the Fourth Proportional to 2,502,943.59, 3,454,135.01 and 1,415,191.80
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Solution
The fourth proportional to 2,502,943.59, 3,454,135.01 and 1,415,191.80 is: 1,953,005.87
Step by Step Solution
- Step 1: Write the proportion equation
2,502,943.59 : 3,454,135.01 = 1,415,191.80 : x - Step 2: Convert to fraction form
2,502,943.59/3,454,135.01 = 1,415,191.80/x - Step 3: Cross multiply
2,502,943.59x = 3,454,135.01 × 1,415,191.80 - Step 4: Simplify right side
2,502,943.59x = 4,888,263,535,168.96 - Step 5: Solve for x
x = 4,888,263,535,168.96/2,502,943.59 - Step 6: Final answer
x = 1,953,005.87
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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.