Finding the Fourth Proportional to 5,119,840.32, 7,065,244.16 and 2,827,951.68
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Solution
The fourth proportional to 5,119,840.32, 7,065,244.16 and 2,827,951.68 is: 3,902,498.48
Step by Step Solution
- Step 1: Write the proportion equation
5,119,840.32 : 7,065,244.16 = 2,827,951.68 : x - Step 2: Convert to fraction form
5,119,840.32/7,065,244.16 = 2,827,951.68/x - Step 3: Cross multiply
5,119,840.32x = 7,065,244.16 × 2,827,951.68 - Step 4: Simplify right side
5,119,840.32x = 19,980,169,091,882.19 - Step 5: Solve for x
x = 19,980,169,091,882.19/5,119,840.32 - Step 6: Final answer
x = 3,902,498.48
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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.