Finding the Fourth Proportional to 2,627,647.74, 3,626,159.22 and 1,420,423.74
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Solution
The fourth proportional to 2,627,647.74, 3,626,159.22 and 1,420,423.74 is: 1,960,187.65
Step by Step Solution
- Step 1: Write the proportion equation
2,627,647.74 : 3,626,159.22 = 1,420,423.74 : x - Step 2: Convert to fraction form
2,627,647.74/3,626,159.22 = 1,420,423.74/x - Step 3: Cross multiply
2,627,647.74x = 3,626,159.22 × 1,420,423.74 - Step 4: Simplify right side
2,627,647.74x = 5,150,682,641,107.88 - Step 5: Solve for x
x = 5,150,682,641,107.88/2,627,647.74 - Step 6: Final answer
x = 1,960,187.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.