Finding the Fourth Proportional to 1,532,785.08, 2,115,026.46 and 870,474
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Solution
The fourth proportional to 1,532,785.08, 2,115,026.46 and 870,474 is: 1,201,130.91
Step by Step Solution
- Step 1: Write the proportion equation
1,532,785.08 : 2,115,026.46 = 870,474 : x - Step 2: Convert to fraction form
1,532,785.08/2,115,026.46 = 870,474/x - Step 3: Cross multiply
1,532,785.08x = 2,115,026.46 × 870,474 - Step 4: Simplify right side
1,532,785.08x = 1,841,075,542,742.04 - Step 5: Solve for x
x = 1,841,075,542,742.04/1,532,785.08 - Step 6: Final answer
x = 1,201,130.91
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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.