Finding the Fourth Proportional to 4,424,319.12, 6,107,447.64 and 2,974,854.72
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Solution
The fourth proportional to 4,424,319.12, 6,107,447.64 and 2,974,854.72 is: 4,106,568.48
Step by Step Solution
- Step 1: Write the proportion equation
4,424,319.12 : 6,107,447.64 = 2,974,854.72 : x - Step 2: Convert to fraction form
4,424,319.12/6,107,447.64 = 2,974,854.72/x - Step 3: Cross multiply
4,424,319.12x = 6,107,447.64 × 2,974,854.72 - Step 4: Simplify right side
4,424,319.12x = 18,168,769,439,006.86 - Step 5: Solve for x
x = 18,168,769,439,006.86/4,424,319.12 - Step 6: Final answer
x = 4,106,568.48
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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.