Finding the Fourth Proportional to 4,440,851.18, 6,128,032.56 and 2,507,302.61
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Solution
The fourth proportional to 4,440,851.18, 6,128,032.56 and 2,507,302.61 is: 3,459,884.47
Step by Step Solution
- Step 1: Write the proportion equation
4,440,851.18 : 6,128,032.56 = 2,507,302.61 : x - Step 2: Convert to fraction form
4,440,851.18/6,128,032.56 = 2,507,302.61/x - Step 3: Cross multiply
4,440,851.18x = 6,128,032.56 × 2,507,302.61 - Step 4: Simplify right side
4,440,851.18x = 15,364,832,001,212.82 - Step 5: Solve for x
x = 15,364,832,001,212.82/4,440,851.18 - Step 6: Final answer
x = 3,459,884.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.