Finding the Fourth Proportional to 3,157,744.47, 4,737,201.05 and 999,312.84
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Solution
The fourth proportional to 3,157,744.47, 4,737,201.05 and 999,312.84 is: 1,499,154.18
Step by Step Solution
- Step 1: Write the proportion equation
3,157,744.47 : 4,737,201.05 = 999,312.84 : x - Step 2: Convert to fraction form
3,157,744.47/4,737,201.05 = 999,312.84/x - Step 3: Cross multiply
3,157,744.47x = 4,737,201.05 × 999,312.84 - Step 4: Simplify right side
3,157,744.47x = 4,733,945,829,929.92 - Step 5: Solve for x
x = 4,733,945,829,929.92/3,157,744.47 - Step 6: Final answer
x = 1,499,154.18
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1.5x scale
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.