Finding the Fourth Proportional to 1,628,011.25, 2,246,655.53 and 902,969.99
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Solution
The fourth proportional to 1,628,011.25, 2,246,655.53 and 902,969.99 is: 1,246,098.59
Step by Step Solution
- Step 1: Write the proportion equation
1,628,011.25 : 2,246,655.53 = 902,969.99 : x - Step 2: Convert to fraction form
1,628,011.25/2,246,655.53 = 902,969.99/x - Step 3: Cross multiply
1,628,011.25x = 2,246,655.53 × 902,969.99 - Step 4: Simplify right side
1,628,011.25x = 2,028,662,516,942.69 - Step 5: Solve for x
x = 2,028,662,516,942.69/1,628,011.25 - Step 6: Final answer
x = 1,246,098.59
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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.