Finding the Fourth Proportional to 2,122,564.23, 2,929,191.12 and 1,155,747.42
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Solution
The fourth proportional to 2,122,564.23, 2,929,191.12 and 1,155,747.42 is: 1,594,960.02
Step by Step Solution
- Step 1: Write the proportion equation
2,122,564.23 : 2,929,191.12 = 1,155,747.42 : x - Step 2: Convert to fraction form
2,122,564.23/2,929,191.12 = 1,155,747.42/x - Step 3: Cross multiply
2,122,564.23x = 2,929,191.12 × 1,155,747.42 - Step 4: Simplify right side
2,122,564.23x = 3,385,405,079,626.91 - Step 5: Solve for x
x = 3,385,405,079,626.91/2,122,564.23 - Step 6: Final answer
x = 1,594,960.02
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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.