Finding the Fourth Proportional to 1,595,448.80, 2,201,733.39 and 870,299.74
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Solution
The fourth proportional to 1,595,448.80, 2,201,733.39 and 870,299.74 is: 1,201,021.31
Step by Step Solution
- Step 1: Write the proportion equation
1,595,448.80 : 2,201,733.39 = 870,299.74 : x - Step 2: Convert to fraction form
1,595,448.80/2,201,733.39 = 870,299.74/x - Step 3: Cross multiply
1,595,448.80x = 2,201,733.39 × 870,299.74 - Step 4: Simplify right side
1,595,448.80x = 1,916,168,002,882.11 - Step 5: Solve for x
x = 1,916,168,002,882.11/1,595,448.80 - Step 6: Final answer
x = 1,201,021.31
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1.5x scale
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.