Finding the Fourth Proportional to 4,342,588.18, 6,513,937.72 and 1,147,686.75
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Solution
The fourth proportional to 4,342,588.18, 6,513,937.72 and 1,147,686.75 is: 1,721,544.78
Step by Step Solution
- Step 1: Write the proportion equation
4,342,588.18 : 6,513,937.72 = 1,147,686.75 : x - Step 2: Convert to fraction form
4,342,588.18/6,513,937.72 = 1,147,686.75/x - Step 3: Cross multiply
4,342,588.18x = 6,513,937.72 × 1,147,686.75 - Step 4: Simplify right side
4,342,588.18x = 7,475,960,008,699.99 - Step 5: Solve for x
x = 7,475,960,008,699.99/4,342,588.18 - Step 6: Final answer
x = 1,721,544.78
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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.