Finding the Fourth Proportional to 2,872,856.16, 3,964,553.51 and 1,583,668.26
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Solution
The fourth proportional to 2,872,856.16, 3,964,553.51 and 1,583,668.26 is: 2,185,468.82
Step by Step Solution
- Step 1: Write the proportion equation
2,872,856.16 : 3,964,553.51 = 1,583,668.26 : x - Step 2: Convert to fraction form
2,872,856.16/3,964,553.51 = 1,583,668.26/x - Step 3: Cross multiply
2,872,856.16x = 3,964,553.51 × 1,583,668.26 - Step 4: Simplify right side
2,872,856.16x = 6,278,537,550,940.25 - Step 5: Solve for x
x = 6,278,537,550,940.25/2,872,856.16 - Step 6: Final answer
x = 2,185,468.82
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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.