Finding the Fourth Proportional to 2,756,986.07, 4,135,480.92 and 863,875.13
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Solution
The fourth proportional to 2,756,986.07, 4,135,480.92 and 863,875.13 is: 1,295,813.26
Step by Step Solution
- Step 1: Write the proportion equation
2,756,986.07 : 4,135,480.92 = 863,875.13 : x - Step 2: Convert to fraction form
2,756,986.07/4,135,480.92 = 863,875.13/x - Step 3: Cross multiply
2,756,986.07x = 4,135,480.92 × 863,875.13 - Step 4: Simplify right side
2,756,986.07x = 3,572,539,096,700.12 - Step 5: Solve for x
x = 3,572,539,096,700.12/2,756,986.07 - Step 6: Final answer
x = 1,295,813.26
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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.