Finding the Fourth Proportional to 2,104,964.96, 2,905,076.76 and 1,289,709.68
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Solution
The fourth proportional to 2,104,964.96, 2,905,076.76 and 1,289,709.68 is: 1,779,937.29
Step by Step Solution
- Step 1: Write the proportion equation
2,104,964.96 : 2,905,076.76 = 1,289,709.68 : x - Step 2: Convert to fraction form
2,104,964.96/2,905,076.76 = 1,289,709.68/x - Step 3: Cross multiply
2,104,964.96x = 2,905,076.76 × 1,289,709.68 - Step 4: Simplify right side
2,104,964.96x = 3,746,705,618,515.04 - Step 5: Solve for x
x = 3,746,705,618,515.04/2,104,964.96 - Step 6: Final answer
x = 1,779,937.29
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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.