Finding the Fourth Proportional to 3,558,748.97, 4,911,076.25 and 1,927,158.13
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Solution
The fourth proportional to 3,558,748.97, 4,911,076.25 and 1,927,158.13 is: 2,659,479.66
Step by Step Solution
- Step 1: Write the proportion equation
3,558,748.97 : 4,911,076.25 = 1,927,158.13 : x - Step 2: Convert to fraction form
3,558,748.97/4,911,076.25 = 1,927,158.13/x - Step 3: Cross multiply
3,558,748.97x = 4,911,076.25 × 1,927,158.13 - Step 4: Simplify right side
3,558,748.97x = 9,464,420,500,323.93 - Step 5: Solve for x
x = 9,464,420,500,323.93/3,558,748.97 - Step 6: Final answer
x = 2,659,479.66
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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.