Finding the Fourth Proportional to 1,730,781.97, 2,585,379.87 and 1,282,378.61
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Solution
The fourth proportional to 1,730,781.97, 2,585,379.87 and 1,282,378.61 is: 1,915,571.06
Step by Step Solution
- Step 1: Write the proportion equation
1,730,781.97 : 2,585,379.87 = 1,282,378.61 : x - Step 2: Convert to fraction form
1,730,781.97/2,585,379.87 = 1,282,378.61/x - Step 3: Cross multiply
1,730,781.97x = 2,585,379.87 × 1,282,378.61 - Step 4: Simplify right side
1,730,781.97x = 3,315,435,837,600.69 - Step 5: Solve for x
x = 3,315,435,837,600.69/1,730,781.97 - Step 6: Final answer
x = 1,915,571.06
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.