Finding the Fourth Proportional to 1,783,779.28, 2,461,617.09 and 1,019,848.84
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Solution
The fourth proportional to 1,783,779.28, 2,461,617.09 and 1,019,848.84 is: 1,407,392.36
Step by Step Solution
- Step 1: Write the proportion equation
1,783,779.28 : 2,461,617.09 = 1,019,848.84 : x - Step 2: Convert to fraction form
1,783,779.28/2,461,617.09 = 1,019,848.84/x - Step 3: Cross multiply
1,783,779.28x = 2,461,617.09 × 1,019,848.84 - Step 4: Simplify right side
1,783,779.28x = 2,510,477,333,760.68 - Step 5: Solve for x
x = 2,510,477,333,760.68/1,783,779.28 - Step 6: Final answer
x = 1,407,392.36
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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.