Finding the Fourth Proportional to 7,789,328.34, 11,684,353.36 and 2,398,220.24
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Solution
The fourth proportional to 7,789,328.34, 11,684,353.36 and 2,398,220.24 is: 3,597,441.46
Step by Step Solution
- Step 1: Write the proportion equation
7,789,328.34 : 11,684,353.36 = 2,398,220.24 : x - Step 2: Convert to fraction form
7,789,328.34/11,684,353.36 = 2,398,220.24/x - Step 3: Cross multiply
7,789,328.34x = 11,684,353.36 × 2,398,220.24 - Step 4: Simplify right side
7,789,328.34x = 28,021,652,719,264.01 - Step 5: Solve for x
x = 28,021,652,719,264.01/7,789,328.34 - Step 6: Final answer
x = 3,597,441.46
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.