Finding the Fourth Proportional to 4,198,235.16, 6,294,430.89 and 1,860,004.11
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Solution
The fourth proportional to 4,198,235.16, 6,294,430.89 and 1,860,004.11 is: 2,788,711.66
Step by Step Solution
- Step 1: Write the proportion equation
4,198,235.16 : 6,294,430.89 = 1,860,004.11 : x - Step 2: Convert to fraction form
4,198,235.16/6,294,430.89 = 1,860,004.11/x - Step 3: Cross multiply
4,198,235.16x = 6,294,430.89 × 1,860,004.11 - Step 4: Simplify right side
4,198,235.16x = 11,707,667,349,115.07 - Step 5: Solve for x
x = 11,707,667,349,115.07/4,198,235.16 - Step 6: Final answer
x = 2,788,711.66
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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.