Finding the Fourth Proportional to 3,139,044.80, 4,708,567.20 and 1,544,721.80
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Solution
The fourth proportional to 3,139,044.80, 4,708,567.20 and 1,544,721.80 is: 2,317,082.70
Step by Step Solution
- Step 1: Write the proportion equation
3,139,044.80 : 4,708,567.20 = 1,544,721.80 : x - Step 2: Convert to fraction form
3,139,044.80/4,708,567.20 = 1,544,721.80/x - Step 3: Cross multiply
3,139,044.80x = 4,708,567.20 × 1,544,721.80 - Step 4: Simplify right side
3,139,044.80x = 7,273,426,400,604.96 - Step 5: Solve for x
x = 7,273,426,400,604.96/3,139,044.80 - Step 6: Final answer
x = 2,317,082.70
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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.