Finding the Fourth Proportional to 1,512,699.31, 2,087,525.09 and 833,635.81
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Solution
The fourth proportional to 1,512,699.31, 2,087,525.09 and 833,635.81 is: 1,150,417.44
Step by Step Solution
- Step 1: Write the proportion equation
1,512,699.31 : 2,087,525.09 = 833,635.81 : x - Step 2: Convert to fraction form
1,512,699.31/2,087,525.09 = 833,635.81/x - Step 3: Cross multiply
1,512,699.31x = 2,087,525.09 × 833,635.81 - Step 4: Simplify right side
1,512,699.31x = 1,740,235,671,936.98 - Step 5: Solve for x
x = 1,740,235,671,936.98/1,512,699.31 - Step 6: Final answer
x = 1,150,417.44
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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.