Finding the Fourth Proportional to 2,877,883.66, 3,971,488.02 and 1,571,137.78
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Solution
The fourth proportional to 2,877,883.66, 3,971,488.02 and 1,571,137.78 is: 2,168,174.81
Step by Step Solution
- Step 1: Write the proportion equation
2,877,883.66 : 3,971,488.02 = 1,571,137.78 : x - Step 2: Convert to fraction form
2,877,883.66/3,971,488.02 = 1,571,137.78/x - Step 3: Cross multiply
2,877,883.66x = 3,971,488.02 × 1,571,137.78 - Step 4: Simplify right side
2,877,883.66x = 6,239,754,871,039.40 - Step 5: Solve for x
x = 6,239,754,871,039.40/2,877,883.66 - Step 6: Final answer
x = 2,168,174.81
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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.