Finding the Fourth Proportional to 6,518,568.79, 8,995,556.95 and 3,617,984.71
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Solution
The fourth proportional to 6,518,568.79, 8,995,556.95 and 3,617,984.71 is: 4,992,781.17
Step by Step Solution
- Step 1: Write the proportion equation
6,518,568.79 : 8,995,556.95 = 3,617,984.71 : x - Step 2: Convert to fraction form
6,518,568.79/8,995,556.95 = 3,617,984.71/x - Step 3: Cross multiply
6,518,568.79x = 8,995,556.95 × 3,617,984.71 - Step 4: Simplify right side
6,518,568.79x = 32,545,787,503,034.23 - Step 5: Solve for x
x = 32,545,787,503,034.23/6,518,568.79 - Step 6: Final answer
x = 4,992,781.17
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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.