Finding the Fourth Proportional to 3,679,531.59, 5,518,862.68 and 984,065.71
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Solution
The fourth proportional to 3,679,531.59, 5,518,862.68 and 984,065.71 is: 1,475,982.31
Step by Step Solution
- Step 1: Write the proportion equation
3,679,531.59 : 5,518,862.68 = 984,065.71 : x - Step 2: Convert to fraction form
3,679,531.59/5,518,862.68 = 984,065.71/x - Step 3: Cross multiply
3,679,531.59x = 5,518,862.68 × 984,065.71 - Step 4: Simplify right side
3,679,531.59x = 5,430,923,520,290.06 - Step 5: Solve for x
x = 5,430,923,520,290.06/3,679,531.59 - Step 6: Final answer
x = 1,475,982.31
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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.