Finding the Fourth Proportional to 1,620,801.97, 2,430,439.94 and 947,077.79
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Solution
The fourth proportional to 1,620,801.97, 2,430,439.94 and 947,077.79 is: 1,420,170.83
Step by Step Solution
- Step 1: Write the proportion equation
1,620,801.97 : 2,430,439.94 = 947,077.79 : x - Step 2: Convert to fraction form
1,620,801.97/2,430,439.94 = 947,077.79/x - Step 3: Cross multiply
1,620,801.97x = 2,430,439.94 × 947,077.79 - Step 4: Simplify right side
1,620,801.97x = 2,301,815,676,291.44 - Step 5: Solve for x
x = 2,301,815,676,291.44/1,620,801.97 - Step 6: Final answer
x = 1,420,170.83
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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.