Finding the Fourth Proportional to 7,720,145.76, 11,580,317.19 and 2,040,321
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Solution
The fourth proportional to 7,720,145.76, 11,580,317.19 and 2,040,321 is: 3,060,507.55
Step by Step Solution
- Step 1: Write the proportion equation
7,720,145.76 : 11,580,317.19 = 2,040,321 : x - Step 2: Convert to fraction form
7,720,145.76/11,580,317.19 = 2,040,321/x - Step 3: Cross multiply
7,720,145.76x = 11,580,317.19 × 2,040,321 - Step 4: Simplify right side
7,720,145.76x = 23,627,564,349,417.99 - Step 5: Solve for x
x = 23,627,564,349,417.99/7,720,145.76 - Step 6: Final answer
x = 3,060,507.55
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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.