Finding the Fourth Proportional to 1,649,037.45, 2,473,491.48 and 689,245.17
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Solution
The fourth proportional to 1,649,037.45, 2,473,491.48 and 689,245.17 is: 1,033,840.71
Step by Step Solution
- Step 1: Write the proportion equation
1,649,037.45 : 2,473,491.48 = 689,245.17 : x - Step 2: Convert to fraction form
1,649,037.45/2,473,491.48 = 689,245.17/x - Step 3: Cross multiply
1,649,037.45x = 2,473,491.48 × 689,245.17 - Step 4: Simplify right side
1,649,037.45x = 1,704,842,055,626.15 - Step 5: Solve for x
x = 1,704,842,055,626.15/1,649,037.45 - Step 6: Final answer
x = 1,033,840.71
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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.