Finding the Fourth Proportional to 7,269,588.36, 10,031,581.20 and 4,006,221
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Solution
The fourth proportional to 7,269,588.36, 10,031,581.20 and 4,006,221 is: 5,528,336.58
Step by Step Solution
- Step 1: Write the proportion equation
7,269,588.36 : 10,031,581.20 = 4,006,221 : x - Step 2: Convert to fraction form
7,269,588.36/10,031,581.20 = 4,006,221/x - Step 3: Cross multiply
7,269,588.36x = 10,031,581.20 × 4,006,221 - Step 4: Simplify right side
7,269,588.36x = 40,188,731,266,645.20 - Step 5: Solve for x
x = 40,188,731,266,645.20/7,269,588.36 - Step 6: Final answer
x = 5,528,336.58
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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.