Finding the Fourth Proportional to 1,530,083.76, 2,110,329.36 and 986,308.08
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Solution
The fourth proportional to 1,530,083.76, 2,110,329.36 and 986,308.08 is: 1,360,340.49
Step by Step Solution
- Step 1: Write the proportion equation
1,530,083.76 : 2,110,329.36 = 986,308.08 : x - Step 2: Convert to fraction form
1,530,083.76/2,110,329.36 = 986,308.08/x - Step 3: Cross multiply
1,530,083.76x = 2,110,329.36 × 986,308.08 - Step 4: Simplify right side
1,530,083.76x = 2,081,434,899,229.23 - Step 5: Solve for x
x = 2,081,434,899,229.23/1,530,083.76 - Step 6: Final answer
x = 1,360,340.49
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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.