Finding the Fourth Proportional to 5,186,652.36, 7,158,207.90 and 2,951,973.24
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Solution
The fourth proportional to 5,186,652.36, 7,158,207.90 and 2,951,973.24 is: 4,074,080.29
Step by Step Solution
- Step 1: Write the proportion equation
5,186,652.36 : 7,158,207.90 = 2,951,973.24 : x - Step 2: Convert to fraction form
5,186,652.36/7,158,207.90 = 2,951,973.24/x - Step 3: Cross multiply
5,186,652.36x = 7,158,207.90 × 2,951,973.24 - Step 4: Simplify right side
5,186,652.36x = 21,130,838,167,156.60 - Step 5: Solve for x
x = 21,130,838,167,156.60/5,186,652.36 - Step 6: Final answer
x = 4,074,080.29
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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.