Finding the Fourth Proportional to 3,943,885.47, 5,917,911.06 and 2,798,533.02
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Solution
The fourth proportional to 3,943,885.47, 5,917,911.06 and 2,798,533.02 is: 4,199,277.50
Step by Step Solution
- Step 1: Write the proportion equation
3,943,885.47 : 5,917,911.06 = 2,798,533.02 : x - Step 2: Convert to fraction form
3,943,885.47/5,917,911.06 = 2,798,533.02/x - Step 3: Cross multiply
3,943,885.47x = 5,917,911.06 × 2,798,533.02 - Step 4: Simplify right side
3,943,885.47x = 16,561,469,510,833.20 - Step 5: Solve for x
x = 16,561,469,510,833.20/3,943,885.47 - Step 6: Final answer
x = 4,199,277.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.