Finding the Fourth Proportional to 1,621,748.30, 2,237,640.63 and 968,246.99
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Solution
The fourth proportional to 1,621,748.30, 2,237,640.63 and 968,246.99 is: 1,335,958.73
Step by Step Solution
- Step 1: Write the proportion equation
1,621,748.30 : 2,237,640.63 = 968,246.99 : x - Step 2: Convert to fraction form
1,621,748.30/2,237,640.63 = 968,246.99/x - Step 3: Cross multiply
1,621,748.30x = 2,237,640.63 × 968,246.99 - Step 4: Simplify right side
1,621,748.30x = 2,166,588,793,511.00 - Step 5: Solve for x
x = 2,166,588,793,511.00/1,621,748.30 - Step 6: Final answer
x = 1,335,958.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.