Finding the Fourth Proportional to 5,712,768.24, 8,569,115.36 and 1,452,899.68
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Solution
The fourth proportional to 5,712,768.24, 8,569,115.36 and 1,452,899.68 is: 2,179,340.11
Step by Step Solution
- Step 1: Write the proportion equation
5,712,768.24 : 8,569,115.36 = 1,452,899.68 : x - Step 2: Convert to fraction form
5,712,768.24/8,569,115.36 = 1,452,899.68/x - Step 3: Cross multiply
5,712,768.24x = 8,569,115.36 × 1,452,899.68 - Step 4: Simplify right side
5,712,768.24x = 12,450,064,964,427.08 - Step 5: Solve for x
x = 12,450,064,964,427.08/5,712,768.24 - Step 6: Final answer
x = 2,179,340.11
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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.