Finding the Fourth Proportional to 4,099,439.70, 6,149,159.55 and 1,259,693.10
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Solution
The fourth proportional to 4,099,439.70, 6,149,159.55 and 1,259,693.10 is: 1,889,539.65
Step by Step Solution
- Step 1: Write the proportion equation
4,099,439.70 : 6,149,159.55 = 1,259,693.10 : x - Step 2: Convert to fraction form
4,099,439.70/6,149,159.55 = 1,259,693.10/x - Step 3: Cross multiply
4,099,439.70x = 6,149,159.55 × 1,259,693.10 - Step 4: Simplify right side
4,099,439.70x = 7,746,053,855,934.11 - Step 5: Solve for x
x = 7,746,053,855,934.11/4,099,439.70 - Step 6: Final answer
x = 1,889,539.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.