Finding the Fourth Proportional to 1,559,215.41, 2,151,652.92 and 870,884.09
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Solution
The fourth proportional to 1,559,215.41, 2,151,652.92 and 870,884.09 is: 1,201,784.10
Step by Step Solution
- Step 1: Write the proportion equation
1,559,215.41 : 2,151,652.92 = 870,884.09 : x - Step 2: Convert to fraction form
1,559,215.41/2,151,652.92 = 870,884.09/x - Step 3: Cross multiply
1,559,215.41x = 2,151,652.92 × 870,884.09 - Step 4: Simplify right side
1,559,215.41x = 1,873,840,295,230.04 - Step 5: Solve for x
x = 1,873,840,295,230.04/1,559,215.41 - Step 6: Final answer
x = 1,201,784.10
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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.