Finding the Fourth Proportional to 1,583,541.27, 2,183,875.95 and 1,234,768.13
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Solution
The fourth proportional to 1,583,541.27, 2,183,875.95 and 1,234,768.13 is: 1,702,879.78
Step by Step Solution
- Step 1: Write the proportion equation
1,583,541.27 : 2,183,875.95 = 1,234,768.13 : x - Step 2: Convert to fraction form
1,583,541.27/2,183,875.95 = 1,234,768.13/x - Step 3: Cross multiply
1,583,541.27x = 2,183,875.95 × 1,234,768.13 - Step 4: Simplify right side
1,583,541.27x = 2,696,580,412,014.09 - Step 5: Solve for x
x = 2,696,580,412,014.09/1,583,541.27 - Step 6: Final answer
x = 1,702,879.78
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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.