Finding the Fourth Proportional to 5,104,995.84, 7,044,940.80 and 2,813,238.72
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Solution
The fourth proportional to 5,104,995.84, 7,044,940.80 and 2,813,238.72 is: 3,882,295.08
Step by Step Solution
- Step 1: Write the proportion equation
5,104,995.84 : 7,044,940.80 = 2,813,238.72 : x - Step 2: Convert to fraction form
5,104,995.84/7,044,940.80 = 2,813,238.72/x - Step 3: Cross multiply
5,104,995.84x = 7,044,940.80 × 2,813,238.72 - Step 4: Simplify right side
5,104,995.84x = 19,819,100,238,667.78 - Step 5: Solve for x
x = 19,819,100,238,667.78/5,104,995.84 - Step 6: Final answer
x = 3,882,295.08
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1.5x scale
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.