Finding the Fourth Proportional to 5,184,651.29, 7,776,977.74 and 1,398,134.57
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Solution
The fourth proportional to 5,184,651.29, 7,776,977.74 and 1,398,134.57 is: 2,097,202.07
Step by Step Solution
- Step 1: Write the proportion equation
5,184,651.29 : 7,776,977.74 = 1,398,134.57 : x - Step 2: Convert to fraction form
5,184,651.29/7,776,977.74 = 1,398,134.57/x - Step 3: Cross multiply
5,184,651.29x = 7,776,977.74 × 1,398,134.57 - Step 4: Simplify right side
5,184,651.29x = 10,873,261,386,034.25 - Step 5: Solve for x
x = 10,873,261,386,034.25/5,184,651.29 - Step 6: Final answer
x = 2,097,202.07
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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.