Finding the Fourth Proportional to 1,525,351.14, 2,105,115.30 and 837,155.97
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Solution
The fourth proportional to 1,525,351.14, 2,105,115.30 and 837,155.97 is: 1,155,346.99
Step by Step Solution
- Step 1: Write the proportion equation
1,525,351.14 : 2,105,115.30 = 837,155.97 : x - Step 2: Convert to fraction form
1,525,351.14/2,105,115.30 = 837,155.97/x - Step 3: Cross multiply
1,525,351.14x = 2,105,115.30 × 837,155.97 - Step 4: Simplify right side
1,525,351.14x = 1,762,309,840,933.34 - Step 5: Solve for x
x = 1,762,309,840,933.34/1,525,351.14 - Step 6: Final answer
x = 1,155,346.99
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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.