Finding the Fourth Proportional to 1,558,866.20, 2,338,298.28 and 1,135,097.79
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Solution
The fourth proportional to 1,558,866.20, 2,338,298.28 and 1,135,097.79 is: 1,702,645.94
Step by Step Solution
- Step 1: Write the proportion equation
1,558,866.20 : 2,338,298.28 = 1,135,097.79 : x - Step 2: Convert to fraction form
1,558,866.20/2,338,298.28 = 1,135,097.79/x - Step 3: Cross multiply
1,558,866.20x = 2,338,298.28 × 1,135,097.79 - Step 4: Simplify right side
1,558,866.20x = 2,654,197,201,220.18 - Step 5: Solve for x
x = 2,654,197,201,220.18/1,558,866.20 - Step 6: Final answer
x = 1,702,645.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.