Finding the Fourth Proportional to 1,595,372.42, 2,201,620.78 and 870,235.94
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Solution
The fourth proportional to 1,595,372.42, 2,201,620.78 and 870,235.94 is: 1,200,929.32
Step by Step Solution
- Step 1: Write the proportion equation
1,595,372.42 : 2,201,620.78 = 870,235.94 : x - Step 2: Convert to fraction form
1,595,372.42/2,201,620.78 = 870,235.94/x - Step 3: Cross multiply
1,595,372.42x = 2,201,620.78 × 870,235.94 - Step 4: Simplify right side
1,595,372.42x = 1,915,929,515,823.14 - Step 5: Solve for x
x = 1,915,929,515,823.14/1,595,372.42 - Step 6: Final answer
x = 1,200,929.32
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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.