Finding the Fourth Proportional to 2,138,280.96, 2,950,827.48 and 1,278,841.08
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Solution
The fourth proportional to 2,138,280.96, 2,950,827.48 and 1,278,841.08 is: 1,764,800.54
Step by Step Solution
- Step 1: Write the proportion equation
2,138,280.96 : 2,950,827.48 = 1,278,841.08 : x - Step 2: Convert to fraction form
2,138,280.96/2,950,827.48 = 1,278,841.08/x - Step 3: Cross multiply
2,138,280.96x = 2,950,827.48 × 1,278,841.08 - Step 4: Simplify right side
2,138,280.96x = 3,773,639,401,416.88 - Step 5: Solve for x
x = 3,773,639,401,416.88/2,138,280.96 - Step 6: Final answer
x = 1,764,800.54
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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.