Finding the Fourth Proportional to 1,386,513.06, 2,079,811.97 and 475,682.75
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Solution
The fourth proportional to 1,386,513.06, 2,079,811.97 and 475,682.75 is: 713,538.66
Step by Step Solution
- Step 1: Write the proportion equation
1,386,513.06 : 2,079,811.97 = 475,682.75 : x - Step 2: Convert to fraction form
1,386,513.06/2,079,811.97 = 475,682.75/x - Step 3: Cross multiply
1,386,513.06x = 2,079,811.97 × 475,682.75 - Step 4: Simplify right side
1,386,513.06x = 989,330,664,595.04 - Step 5: Solve for x
x = 989,330,664,595.04/1,386,513.06 - Step 6: Final answer
x = 713,538.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.