Finding the Fourth Proportional to 4,128,167.70, 6,192,251.55 and 2,238,599.70
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Solution
The fourth proportional to 4,128,167.70, 6,192,251.55 and 2,238,599.70 is: 3,357,899.55
Step by Step Solution
- Step 1: Write the proportion equation
4,128,167.70 : 6,192,251.55 = 2,238,599.70 : x - Step 2: Convert to fraction form
4,128,167.70/6,192,251.55 = 2,238,599.70/x - Step 3: Cross multiply
4,128,167.70x = 6,192,251.55 × 2,238,599.70 - Step 4: Simplify right side
4,128,167.70x = 13,861,972,462,154.54 - Step 5: Solve for x
x = 13,861,972,462,154.54/4,128,167.70 - Step 6: Final answer
x = 3,357,899.55
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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.