Finding the Fourth Proportional to 5,239,089.34, 7,858,634.37 and 1,452,572.32
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Solution
The fourth proportional to 5,239,089.34, 7,858,634.37 and 1,452,572.32 is: 2,178,858.58
Step by Step Solution
- Step 1: Write the proportion equation
5,239,089.34 : 7,858,634.37 = 1,452,572.32 : x - Step 2: Convert to fraction form
5,239,089.34/7,858,634.37 = 1,452,572.32/x - Step 3: Cross multiply
5,239,089.34x = 7,858,634.37 × 1,452,572.32 - Step 4: Simplify right side
5,239,089.34x = 11,415,234,758,862.64 - Step 5: Solve for x
x = 11,415,234,758,862.64/5,239,089.34 - Step 6: Final answer
x = 2,178,858.58
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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.