Finding the Fourth Proportional to 2,543,603.74, 3,815,966.19 and 1,408,022.32
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Solution
The fourth proportional to 2,543,603.74, 3,815,966.19 and 1,408,022.32 is: 2,112,343.79
Step by Step Solution
- Step 1: Write the proportion equation
2,543,603.74 : 3,815,966.19 = 1,408,022.32 : x - Step 2: Convert to fraction form
2,543,603.74/3,815,966.19 = 1,408,022.32/x - Step 3: Cross multiply
2,543,603.74x = 3,815,966.19 × 1,408,022.32 - Step 4: Simplify right side
2,543,603.74x = 5,372,965,567,885.36 - Step 5: Solve for x
x = 5,372,965,567,885.36/2,543,603.74 - Step 6: Final answer
x = 2,112,343.79
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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.