Finding the Fourth Proportional to 3,748,470.48, 5,172,867.36 and 2,029,555.44
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Solution
The fourth proportional to 3,748,470.48, 5,172,867.36 and 2,029,555.44 is: 2,800,774.65
Step by Step Solution
- Step 1: Write the proportion equation
3,748,470.48 : 5,172,867.36 = 2,029,555.44 : x - Step 2: Convert to fraction form
3,748,470.48/5,172,867.36 = 2,029,555.44/x - Step 3: Cross multiply
3,748,470.48x = 5,172,867.36 × 2,029,555.44 - Step 4: Simplify right side
3,748,470.48x = 10,498,621,090,886.44 - Step 5: Solve for x
x = 10,498,621,090,886.44/3,748,470.48 - Step 6: Final answer
x = 2,800,774.65
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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.