Finding the Fourth Proportional to 2,107,263.51, 2,905,599.51 and 1,556,775.68
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Solution
The fourth proportional to 2,107,263.51, 2,905,599.51 and 1,556,775.68 is: 2,146,559.56
Step by Step Solution
- Step 1: Write the proportion equation
2,107,263.51 : 2,905,599.51 = 1,556,775.68 : x - Step 2: Convert to fraction form
2,107,263.51/2,905,599.51 = 1,556,775.68/x - Step 3: Cross multiply
2,107,263.51x = 2,905,599.51 × 1,556,775.68 - Step 4: Simplify right side
2,107,263.51x = 4,523,366,638,459.92 - Step 5: Solve for x
x = 4,523,366,638,459.92/2,107,263.51 - Step 6: Final answer
x = 2,146,559.56
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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.