Finding the Fourth Proportional to 5,283,238.51, 7,919,326.67 and 2,210,989.58
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Solution
The fourth proportional to 5,283,238.51, 7,919,326.67 and 2,210,989.58 is: 3,314,169.65
Step by Step Solution
- Step 1: Write the proportion equation
5,283,238.51 : 7,919,326.67 = 2,210,989.58 : x - Step 2: Convert to fraction form
5,283,238.51/7,919,326.67 = 2,210,989.58/x - Step 3: Cross multiply
5,283,238.51x = 7,919,326.67 × 2,210,989.58 - Step 4: Simplify right side
5,283,238.51x = 17,509,548,723,034.04 - Step 5: Solve for x
x = 17,509,548,723,034.04/5,283,238.51 - Step 6: Final answer
x = 3,314,169.65
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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.