Finding the Fourth Proportional to 4,182,228.90, 6,273,605.79 and 1,342,278.18
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Solution
The fourth proportional to 4,182,228.90, 6,273,605.79 and 1,342,278.18 is: 2,013,501.50
Step by Step Solution
- Step 1: Write the proportion equation
4,182,228.90 : 6,273,605.79 = 1,342,278.18 : x - Step 2: Convert to fraction form
4,182,228.90/6,273,605.79 = 1,342,278.18/x - Step 3: Cross multiply
4,182,228.90x = 6,273,605.79 × 1,342,278.18 - Step 4: Simplify right side
4,182,228.90x = 8,420,924,161,838.66 - Step 5: Solve for x
x = 8,420,924,161,838.66/4,182,228.90 - Step 6: Final answer
x = 2,013,501.50
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1.5x scale
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.