Finding the Fourth Proportional to 4,376,435.86, 6,564,560.99 and 1,458,739.68
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Solution
The fourth proportional to 4,376,435.86, 6,564,560.99 and 1,458,739.68 is: 2,188,078.59
Step by Step Solution
- Step 1: Write the proportion equation
4,376,435.86 : 6,564,560.99 = 1,458,739.68 : x - Step 2: Convert to fraction form
4,376,435.86/6,564,560.99 = 1,458,739.68/x - Step 3: Cross multiply
4,376,435.86x = 6,564,560.99 × 1,458,739.68 - Step 4: Simplify right side
4,376,435.86x = 9,575,985,597,893.08 - Step 5: Solve for x
x = 9,575,985,597,893.08/4,376,435.86 - Step 6: Final answer
x = 2,188,078.59
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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.