Finding the Fourth Proportional to 4,159,893.70, 6,239,840.55 and 3,697,999.30
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Solution
The fourth proportional to 4,159,893.70, 6,239,840.55 and 3,697,999.30 is: 5,546,998.95
Step by Step Solution
- Step 1: Write the proportion equation
4,159,893.70 : 6,239,840.55 = 3,697,999.30 : x - Step 2: Convert to fraction form
4,159,893.70/6,239,840.55 = 3,697,999.30/x - Step 3: Cross multiply
4,159,893.70x = 6,239,840.55 × 3,697,999.30 - Step 4: Simplify right side
4,159,893.70x = 23,074,925,986,011.61 - Step 5: Solve for x
x = 23,074,925,986,011.61/4,159,893.70 - Step 6: Final answer
x = 5,546,998.95
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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.