Finding the Fourth Proportional to 1,485,705.52, 2,045,682.92 and 1,160,332.84
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Solution
The fourth proportional to 1,485,705.52, 2,045,682.92 and 1,160,332.84 is: 1,597,673.99
Step by Step Solution
- Step 1: Write the proportion equation
1,485,705.52 : 2,045,682.92 = 1,160,332.84 : x - Step 2: Convert to fraction form
1,485,705.52/2,045,682.92 = 1,160,332.84/x - Step 3: Cross multiply
1,485,705.52x = 2,045,682.92 × 1,160,332.84 - Step 4: Simplify right side
1,485,705.52x = 2,373,673,072,303.09 - Step 5: Solve for x
x = 2,373,673,072,303.09/1,485,705.52 - Step 6: Final answer
x = 1,597,673.99
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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.