Finding the Fourth Proportional to 2,135,363.20, 2,946,801.08 and 1,168,493.62
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Solution
The fourth proportional to 2,135,363.20, 2,946,801.08 and 1,168,493.62 is: 1,612,521.12
Step by Step Solution
- Step 1: Write the proportion equation
2,135,363.20 : 2,946,801.08 = 1,168,493.62 : x - Step 2: Convert to fraction form
2,135,363.20/2,946,801.08 = 1,168,493.62/x - Step 3: Cross multiply
2,135,363.20x = 2,946,801.08 × 1,168,493.62 - Step 4: Simplify right side
2,135,363.20x = 3,443,318,261,389.11 - Step 5: Solve for x
x = 3,443,318,261,389.11/2,135,363.20 - Step 6: Final answer
x = 1,612,521.12
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1.5x scale
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.