Finding the Fourth Proportional to 4,424,325.12, 6,107,455.92 and 2,974,860.72
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Solution
The fourth proportional to 4,424,325.12, 6,107,455.92 and 2,974,860.72 is: 4,106,576.76
Step by Step Solution
- Step 1: Write the proportion equation
4,424,325.12 : 6,107,455.92 = 2,974,860.72 : x - Step 2: Convert to fraction form
4,424,325.12/6,107,455.92 = 2,974,860.72/x - Step 3: Cross multiply
4,424,325.12x = 6,107,455.92 × 2,974,860.72 - Step 4: Simplify right side
4,424,325.12x = 18,168,830,715,539.46 - Step 5: Solve for x
x = 18,168,830,715,539.46/4,424,325.12 - Step 6: Final answer
x = 4,106,576.76
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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.