Finding the Fourth Proportional to 5,211,274.83, 7,817,955.87 and 1,799,686.05
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Solution
The fourth proportional to 5,211,274.83, 7,817,955.87 and 1,799,686.05 is: 2,699,889.49
Step by Step Solution
- Step 1: Write the proportion equation
5,211,274.83 : 7,817,955.87 = 1,799,686.05 : x - Step 2: Convert to fraction form
5,211,274.83/7,817,955.87 = 1,799,686.05/x - Step 3: Cross multiply
5,211,274.83x = 7,817,955.87 × 1,799,686.05 - Step 4: Simplify right side
5,211,274.83x = 14,069,866,118,754.61 - Step 5: Solve for x
x = 14,069,866,118,754.61/5,211,274.83 - Step 6: Final answer
x = 2,699,889.49
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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.