Finding the Fourth Proportional to 4,687,512.36, 7,031,922.12 and 1,449,314.40
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Solution
The fourth proportional to 4,687,512.36, 7,031,922.12 and 1,449,314.40 is: 2,174,173.68
Step by Step Solution
- Step 1: Write the proportion equation
4,687,512.36 : 7,031,922.12 = 1,449,314.40 : x - Step 2: Convert to fraction form
4,687,512.36/7,031,922.12 = 1,449,314.40/x - Step 3: Cross multiply
4,687,512.36x = 7,031,922.12 × 1,449,314.40 - Step 4: Simplify right side
4,687,512.36x = 10,191,465,988,194.53 - Step 5: Solve for x
x = 10,191,465,988,194.53/4,687,512.36 - Step 6: Final answer
x = 2,174,173.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.