Finding the Fourth Proportional to 2,134,637.28, 2,945,775.60 and 1,167,795.36
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Solution
The fourth proportional to 2,134,637.28, 2,945,775.60 and 1,167,795.36 is: 1,611,544.55
Step by Step Solution
- Step 1: Write the proportion equation
2,134,637.28 : 2,945,775.60 = 1,167,795.36 : x - Step 2: Convert to fraction form
2,134,637.28/2,945,775.60 = 1,167,795.36/x - Step 3: Cross multiply
2,134,637.28x = 2,945,775.60 × 1,167,795.36 - Step 4: Simplify right side
2,134,637.28x = 3,440,063,077,281.22 - Step 5: Solve for x
x = 3,440,063,077,281.22/2,134,637.28 - Step 6: Final answer
x = 1,611,544.55
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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.