Finding the Fourth Proportional to 2,439,719.22, 3,366,820.44 and 1,352,008.74
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Solution
The fourth proportional to 2,439,719.22, 3,366,820.44 and 1,352,008.74 is: 1,865,776.45
Step by Step Solution
- Step 1: Write the proportion equation
2,439,719.22 : 3,366,820.44 = 1,352,008.74 : x - Step 2: Convert to fraction form
2,439,719.22/3,366,820.44 = 1,352,008.74/x - Step 3: Cross multiply
2,439,719.22x = 3,366,820.44 × 1,352,008.74 - Step 4: Simplify right side
2,439,719.22x = 4,551,970,660,890.65 - Step 5: Solve for x
x = 4,551,970,660,890.65/2,439,719.22 - Step 6: Final answer
x = 1,865,776.45
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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.