Finding the Fourth Proportional to 5,201,511.84, 7,801,480.44 and 1,415,289.96
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Solution
The fourth proportional to 5,201,511.84, 7,801,480.44 and 1,415,289.96 is: 2,122,720.72
Step by Step Solution
- Step 1: Write the proportion equation
5,201,511.84 : 7,801,480.44 = 1,415,289.96 : x - Step 2: Convert to fraction form
5,201,511.84/7,801,480.44 = 1,415,289.96/x - Step 3: Cross multiply
5,201,511.84x = 7,801,480.44 × 1,415,289.96 - Step 4: Simplify right side
5,201,511.84x = 11,041,356,939,868.38 - Step 5: Solve for x
x = 11,041,356,939,868.38/5,201,511.84 - Step 6: Final answer
x = 2,122,720.72
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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.