Finding the Fourth Proportional to 2,618,482.05, 3,613,187.75 and 1,456,653.67
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Solution
The fourth proportional to 2,618,482.05, 3,613,187.75 and 1,456,653.67 is: 2,010,005.45
Step by Step Solution
- Step 1: Write the proportion equation
2,618,482.05 : 3,613,187.75 = 1,456,653.67 : x - Step 2: Convert to fraction form
2,618,482.05/3,613,187.75 = 1,456,653.67/x - Step 3: Cross multiply
2,618,482.05x = 3,613,187.75 × 1,456,653.67 - Step 4: Simplify right side
2,618,482.05x = 5,263,163,191,045.21 - Step 5: Solve for x
x = 5,263,163,191,045.21/2,618,482.05 - Step 6: Final answer
x = 2,010,005.45
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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.