Finding the Fourth Proportional to 5,224,085.84, 7,832,551.38 and 2,660,338.10
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Solution
The fourth proportional to 5,224,085.84, 7,832,551.38 and 2,660,338.10 is: 3,988,685.39
Step by Step Solution
- Step 1: Write the proportion equation
5,224,085.84 : 7,832,551.38 = 2,660,338.10 : x - Step 2: Convert to fraction form
5,224,085.84/7,832,551.38 = 2,660,338.10/x - Step 3: Cross multiply
5,224,085.84x = 7,832,551.38 × 2,660,338.10 - Step 4: Simplify right side
5,224,085.84x = 20,837,234,856,421.58 - Step 5: Solve for x
x = 20,837,234,856,421.58/5,224,085.84 - Step 6: Final answer
x = 3,988,685.39
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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.