Finding the Fourth Proportional to 2,250,961.76, 3,106,623.08 and 1,283,870.36
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Solution
The fourth proportional to 2,250,961.76, 3,106,623.08 and 1,283,870.36 is: 1,771,909.84
Step by Step Solution
- Step 1: Write the proportion equation
2,250,961.76 : 3,106,623.08 = 1,283,870.36 : x - Step 2: Convert to fraction form
2,250,961.76/3,106,623.08 = 1,283,870.36/x - Step 3: Cross multiply
2,250,961.76x = 3,106,623.08 × 1,283,870.36 - Step 4: Simplify right side
2,250,961.76x = 3,988,501,292,103.91 - Step 5: Solve for x
x = 3,988,501,292,103.91/2,250,961.76 - Step 6: Final answer
x = 1,771,909.84
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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.