Finding the Fourth Proportional to 2,725,620.99, 3,761,357.28 and 1,580,365.62
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Solution
The fourth proportional to 2,725,620.99, 3,761,357.28 and 1,580,365.62 is: 2,180,904.74
Step by Step Solution
- Step 1: Write the proportion equation
2,725,620.99 : 3,761,357.28 = 1,580,365.62 : x - Step 2: Convert to fraction form
2,725,620.99/3,761,357.28 = 1,580,365.62/x - Step 3: Cross multiply
2,725,620.99x = 3,761,357.28 × 1,580,365.62 - Step 4: Simplify right side
2,725,620.99x = 5,944,319,729,848.71 - Step 5: Solve for x
x = 5,944,319,729,848.71/2,725,620.99 - Step 6: Final answer
x = 2,180,904.74
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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.