Finding the Fourth Proportional to 1,628,285.36, 2,244,437.52 and 1,283,559.12
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Solution
The fourth proportional to 1,628,285.36, 2,244,437.52 and 1,283,559.12 is: 1,769,264.97
Step by Step Solution
- Step 1: Write the proportion equation
1,628,285.36 : 2,244,437.52 = 1,283,559.12 : x - Step 2: Convert to fraction form
1,628,285.36/2,244,437.52 = 1,283,559.12/x - Step 3: Cross multiply
1,628,285.36x = 2,244,437.52 × 1,283,559.12 - Step 4: Simplify right side
1,628,285.36x = 2,880,868,248,066.18 - Step 5: Solve for x
x = 2,880,868,248,066.18/1,628,285.36 - Step 6: Final answer
x = 1,769,264.97
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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.