Finding the Fourth Proportional to 5,578,049.13, 7,697,384.42 and 3,130,431.63
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Solution
The fourth proportional to 5,578,049.13, 7,697,384.42 and 3,130,431.63 is: 4,319,814.16
Step by Step Solution
- Step 1: Write the proportion equation
5,578,049.13 : 7,697,384.42 = 3,130,431.63 : x - Step 2: Convert to fraction form
5,578,049.13/7,697,384.42 = 3,130,431.63/x - Step 3: Cross multiply
5,578,049.13x = 7,697,384.42 × 3,130,431.63 - Step 4: Simplify right side
5,578,049.13x = 24,096,135,640,985.05 - Step 5: Solve for x
x = 24,096,135,640,985.05/5,578,049.13 - Step 6: Final answer
x = 4,319,814.16
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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.