Finding the Fourth Proportional to 4,877,301.16, 6,715,319.74 and 4,140,798.68
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Solution
The fourth proportional to 4,877,301.16, 6,715,319.74 and 4,140,798.68 is: 5,701,265.15
Step by Step Solution
- Step 1: Write the proportion equation
4,877,301.16 : 6,715,319.74 = 4,140,798.68 : x - Step 2: Convert to fraction form
4,877,301.16/6,715,319.74 = 4,140,798.68/x - Step 3: Cross multiply
4,877,301.16x = 6,715,319.74 × 4,140,798.68 - Step 4: Simplify right side
4,877,301.16x = 27,806,787,115,169.95 - Step 5: Solve for x
x = 27,806,787,115,169.95/4,877,301.16 - Step 6: Final answer
x = 5,701,265.15
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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.