Finding the Fourth Proportional to 3,564,552.90, 5,346,829.35 and 3,438,581.70
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Solution
The fourth proportional to 3,564,552.90, 5,346,829.35 and 3,438,581.70 is: 5,157,872.55
Step by Step Solution
- Step 1: Write the proportion equation
3,564,552.90 : 5,346,829.35 = 3,438,581.70 : x - Step 2: Convert to fraction form
3,564,552.90/5,346,829.35 = 3,438,581.70/x - Step 3: Cross multiply
3,564,552.90x = 5,346,829.35 × 3,438,581.70 - Step 4: Simplify right side
3,564,552.90x = 18,385,509,555,932.89 - Step 5: Solve for x
x = 18,385,509,555,932.89/3,564,552.90 - Step 6: Final answer
x = 5,157,872.55
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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.