Finding the Fourth Proportional to 6,658,579.68, 9,988,312.48 and 2,340,107.60
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Solution
The fourth proportional to 6,658,579.68, 9,988,312.48 and 2,340,107.60 is: 3,510,317.07
Step by Step Solution
- Step 1: Write the proportion equation
6,658,579.68 : 9,988,312.48 = 2,340,107.60 : x - Step 2: Convert to fraction form
6,658,579.68/9,988,312.48 = 2,340,107.60/x - Step 3: Cross multiply
6,658,579.68x = 9,988,312.48 × 2,340,107.60 - Step 4: Simplify right side
6,658,579.68x = 23,373,725,945,622.85 - Step 5: Solve for x
x = 23,373,725,945,622.85/6,658,579.68 - Step 6: Final answer
x = 3,510,317.07
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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.