Finding the Fourth Proportional to 4,648,528.12, 6,974,895.48 and 2,372,877.40
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Solution
The fourth proportional to 4,648,528.12, 6,974,895.48 and 2,372,877.40 is: 3,560,389.75
Step by Step Solution
- Step 1: Write the proportion equation
4,648,528.12 : 6,974,895.48 = 2,372,877.40 : x - Step 2: Convert to fraction form
4,648,528.12/6,974,895.48 = 2,372,877.40/x - Step 3: Cross multiply
4,648,528.12x = 6,974,895.48 × 2,372,877.40 - Step 4: Simplify right side
4,648,528.12x = 16,550,571,851,854.15 - Step 5: Solve for x
x = 16,550,571,851,854.15/4,648,528.12 - Step 6: Final answer
x = 3,560,389.75
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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.