Finding the Fourth Proportional to 1,556,599.05, 2,334,898.58 and 1,346,647.05
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Solution
The fourth proportional to 1,556,599.05, 2,334,898.58 and 1,346,647.05 is: 2,019,970.58
Step by Step Solution
- Step 1: Write the proportion equation
1,556,599.05 : 2,334,898.58 = 1,346,647.05 : x - Step 2: Convert to fraction form
1,556,599.05/2,334,898.58 = 1,346,647.05/x - Step 3: Cross multiply
1,556,599.05x = 2,334,898.58 × 1,346,647.05 - Step 4: Simplify right side
1,556,599.05x = 3,144,284,278,072.95 - Step 5: Solve for x
x = 3,144,284,278,072.95/1,556,599.05 - Step 6: Final answer
x = 2,019,970.58
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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.