Finding the Fourth Proportional to 1,608,970.32, 2,219,837.00 and 911,155.73
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Solution
The fourth proportional to 1,608,970.32, 2,219,837.00 and 911,155.73 is: 1,257,087.94
Step by Step Solution
- Step 1: Write the proportion equation
1,608,970.32 : 2,219,837.00 = 911,155.73 : x - Step 2: Convert to fraction form
1,608,970.32/2,219,837.00 = 911,155.73/x - Step 3: Cross multiply
1,608,970.32x = 2,219,837.00 × 911,155.73 - Step 4: Simplify right side
1,608,970.32x = 2,022,617,186,561.05 - Step 5: Solve for x
x = 2,022,617,186,561.05/1,608,970.32 - Step 6: Final answer
x = 1,257,087.94
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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.