Finding the Fourth Proportional to 5,200,642.84, 7,177,098.64 and 2,877,497.57
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Solution
The fourth proportional to 5,200,642.84, 7,177,098.64 and 2,877,497.57 is: 3,971,063.68
Step by Step Solution
- Step 1: Write the proportion equation
5,200,642.84 : 7,177,098.64 = 2,877,497.57 : x - Step 2: Convert to fraction form
5,200,642.84/7,177,098.64 = 2,877,497.57/x - Step 3: Cross multiply
5,200,642.84x = 7,177,098.64 × 2,877,497.57 - Step 4: Simplify right side
5,200,642.84x = 20,652,083,896,250.30 - Step 5: Solve for x
x = 20,652,083,896,250.30/5,200,642.84 - Step 6: Final answer
x = 3,971,063.68
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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.