Finding the Fourth Proportional to 4,905,666.18, 6,777,497.88 and 3,748,163.63
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Solution
The fourth proportional to 4,905,666.18, 6,777,497.88 and 3,748,163.63 is: 5,178,332.58
Step by Step Solution
- Step 1: Write the proportion equation
4,905,666.18 : 6,777,497.88 = 3,748,163.63 : x - Step 2: Convert to fraction form
4,905,666.18/6,777,497.88 = 3,748,163.63/x - Step 3: Cross multiply
4,905,666.18x = 6,777,497.88 × 3,748,163.63 - Step 4: Simplify right side
4,905,666.18x = 25,403,171,022,330.61 - Step 5: Solve for x
x = 25,403,171,022,330.61/4,905,666.18 - Step 6: Final answer
x = 5,178,332.58
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1.5x scale
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.