Finding the Fourth Proportional to 2,029,709.54, 2,800,998.93 and 1,213,913.09
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Solution
The fourth proportional to 2,029,709.54, 2,800,998.93 and 1,213,913.09 is: 1,675,199.93
Step by Step Solution
- Step 1: Write the proportion equation
2,029,709.54 : 2,800,998.93 = 1,213,913.09 : x - Step 2: Convert to fraction form
2,029,709.54/2,800,998.93 = 1,213,913.09/x - Step 3: Cross multiply
2,029,709.54x = 2,800,998.93 × 1,213,913.09 - Step 4: Simplify right side
2,029,709.54x = 3,400,169,266,202.99 - Step 5: Solve for x
x = 3,400,169,266,202.99/2,029,709.54 - Step 6: Final answer
x = 1,675,199.93
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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.