Finding the Fourth Proportional to 3,427,036.60, 4,729,337.90 and 1,899,169.08
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Solution
The fourth proportional to 3,427,036.60, 4,729,337.90 and 1,899,169.08 is: 2,620,868.51
Step by Step Solution
- Step 1: Write the proportion equation
3,427,036.60 : 4,729,337.90 = 1,899,169.08 : x - Step 2: Convert to fraction form
3,427,036.60/4,729,337.90 = 1,899,169.08/x - Step 3: Cross multiply
3,427,036.60x = 4,729,337.90 × 1,899,169.08 - Step 4: Simplify right side
3,427,036.60x = 8,981,812,308,552.13 - Step 5: Solve for x
x = 8,981,812,308,552.13/3,427,036.60 - Step 6: Final answer
x = 2,620,868.51
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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.