Finding the Fourth Proportional to 7,574,156.32, 11,361,236.20 and 1,894,381.28
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Solution
The fourth proportional to 7,574,156.32, 11,361,236.20 and 1,894,381.28 is: 2,841,572.35
Step by Step Solution
- Step 1: Write the proportion equation
7,574,156.32 : 11,361,236.20 = 1,894,381.28 : x - Step 2: Convert to fraction form
7,574,156.32/11,361,236.20 = 1,894,381.28/x - Step 3: Cross multiply
7,574,156.32x = 11,361,236.20 × 1,894,381.28 - Step 4: Simplify right side
7,574,156.32x = 21,522,513,174,938.34 - Step 5: Solve for x
x = 21,522,513,174,938.34/7,574,156.32 - Step 6: Final answer
x = 2,841,572.35
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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.