Finding the Fourth Proportional to 3,176,077.16, 4,382,977.62 and 1,725,777.63
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Solution
The fourth proportional to 3,176,077.16, 4,382,977.62 and 1,725,777.63 is: 2,381,568.31
Step by Step Solution
- Step 1: Write the proportion equation
3,176,077.16 : 4,382,977.62 = 1,725,777.63 : x - Step 2: Convert to fraction form
3,176,077.16/4,382,977.62 = 1,725,777.63/x - Step 3: Cross multiply
3,176,077.16x = 4,382,977.62 × 1,725,777.63 - Step 4: Simplify right side
3,176,077.16x = 7,564,044,729,386.64 - Step 5: Solve for x
x = 7,564,044,729,386.64/3,176,077.16 - Step 6: Final answer
x = 2,381,568.31
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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.