Finding the Fourth Proportional to 2,480,479.66, 3,423,097.83 and 1,392,986.62
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Solution
The fourth proportional to 2,480,479.66, 3,423,097.83 and 1,392,986.62 is: 1,922,341.70
Step by Step Solution
- Step 1: Write the proportion equation
2,480,479.66 : 3,423,097.83 = 1,392,986.62 : x - Step 2: Convert to fraction form
2,480,479.66/3,423,097.83 = 1,392,986.62/x - Step 3: Cross multiply
2,480,479.66x = 3,423,097.83 × 1,392,986.62 - Step 4: Simplify right side
2,480,479.66x = 4,768,329,476,141.04 - Step 5: Solve for x
x = 4,768,329,476,141.04/2,480,479.66 - Step 6: Final answer
x = 1,922,341.70
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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.