Finding the Fourth Proportional to 1,509,866.37, 2,083,553.10 and 821,541.06
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Solution
The fourth proportional to 1,509,866.37, 2,083,553.10 and 821,541.06 is: 1,133,692.66
Step by Step Solution
- Step 1: Write the proportion equation
1,509,866.37 : 2,083,553.10 = 821,541.06 : x - Step 2: Convert to fraction form
1,509,866.37/2,083,553.10 = 821,541.06/x - Step 3: Cross multiply
1,509,866.37x = 2,083,553.10 × 821,541.06 - Step 4: Simplify right side
1,509,866.37x = 1,711,724,422,340.29 - Step 5: Solve for x
x = 1,711,724,422,340.29/1,509,866.37 - Step 6: Final answer
x = 1,133,692.66
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.