Finding the Fourth Proportional to 1,775,417.92, 2,664,507.84 and 1,239,458.56
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Solution
The fourth proportional to 1,775,417.92, 2,664,507.84 and 1,239,458.56 is: 1,860,151.92
Step by Step Solution
- Step 1: Write the proportion equation
1,775,417.92 : 2,664,507.84 = 1,239,458.56 : x - Step 2: Convert to fraction form
1,775,417.92/2,664,507.84 = 1,239,458.56/x - Step 3: Cross multiply
1,775,417.92x = 2,664,507.84 × 1,239,458.56 - Step 4: Simplify right side
1,775,417.92x = 3,302,547,050,475.11 - Step 5: Solve for x
x = 3,302,547,050,475.11/1,775,417.92 - Step 6: Final answer
x = 1,860,151.92
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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.