Finding the Fourth Proportional to 5,059,997.49, 7,589,990.34 and 1,648,278.58
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Solution
The fourth proportional to 5,059,997.49, 7,589,990.34 and 1,648,278.58 is: 2,472,415.95
Step by Step Solution
- Step 1: Write the proportion equation
5,059,997.49 : 7,589,990.34 = 1,648,278.58 : x - Step 2: Convert to fraction form
5,059,997.49/7,589,990.34 = 1,648,278.58/x - Step 3: Cross multiply
5,059,997.49x = 7,589,990.34 × 1,648,278.58 - Step 4: Simplify right side
5,059,997.49x = 12,510,418,499,828.92 - Step 5: Solve for x
x = 12,510,418,499,828.92/5,059,997.49 - Step 6: Final answer
x = 2,472,415.95
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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.