Finding the Fourth Proportional to 1,982,392.72, 2,972,134.62 and 633,779.17
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Solution
The fourth proportional to 1,982,392.72, 2,972,134.62 and 633,779.17 is: 950,203.76
Step by Step Solution
- Step 1: Write the proportion equation
1,982,392.72 : 2,972,134.62 = 633,779.17 : x - Step 2: Convert to fraction form
1,982,392.72/2,972,134.62 = 633,779.17/x - Step 3: Cross multiply
1,982,392.72x = 2,972,134.62 × 633,779.17 - Step 4: Simplify right side
1,982,392.72x = 1,883,677,005,161.53 - Step 5: Solve for x
x = 1,883,677,005,161.53/1,982,392.72 - Step 6: Final answer
x = 950,203.76
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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.