Finding the Fourth Proportional to 2,103,858.40, 2,903,317.68 and 1,198,593.76
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Solution
The fourth proportional to 2,103,858.40, 2,903,317.68 and 1,198,593.76 is: 1,654,055.45
Step by Step Solution
- Step 1: Write the proportion equation
2,103,858.40 : 2,903,317.68 = 1,198,593.76 : x - Step 2: Convert to fraction form
2,103,858.40/2,903,317.68 = 1,198,593.76/x - Step 3: Cross multiply
2,103,858.40x = 2,903,317.68 × 1,198,593.76 - Step 4: Simplify right side
2,103,858.40x = 3,479,898,454,545.68 - Step 5: Solve for x
x = 3,479,898,454,545.68/2,103,858.40 - Step 6: Final answer
x = 1,654,055.45
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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.