Finding the Fourth Proportional to 1,580,299.92, 2,180,280.11 and 1,028,763.84
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Solution
The fourth proportional to 1,580,299.92, 2,180,280.11 and 1,028,763.84 is: 1,419,346.61
Step by Step Solution
- Step 1: Write the proportion equation
1,580,299.92 : 2,180,280.11 = 1,028,763.84 : x - Step 2: Convert to fraction form
1,580,299.92/2,180,280.11 = 1,028,763.84/x - Step 3: Cross multiply
1,580,299.92x = 2,180,280.11 × 1,028,763.84 - Step 4: Simplify right side
1,580,299.92x = 2,242,993,333,095.40 - Step 5: Solve for x
x = 2,242,993,333,095.40/1,580,299.92 - Step 6: Final answer
x = 1,419,346.61
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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.