Finding the Fourth Proportional to 2,502,947.09, 3,454,139.84 and 1,415,195.30
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Solution
The fourth proportional to 2,502,947.09, 3,454,139.84 and 1,415,195.30 is: 1,953,010.71
Step by Step Solution
- Step 1: Write the proportion equation
2,502,947.09 : 3,454,139.84 = 1,415,195.30 : x - Step 2: Convert to fraction form
2,502,947.09/3,454,139.84 = 1,415,195.30/x - Step 3: Cross multiply
2,502,947.09x = 3,454,139.84 × 1,415,195.30 - Step 4: Simplify right side
2,502,947.09x = 4,888,282,467,110.75 - Step 5: Solve for x
x = 4,888,282,467,110.75/2,502,947.09 - Step 6: Final answer
x = 1,953,010.71
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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.