Finding the Fourth Proportional to 1,977,852.99, 2,729,490.80 and 1,118,541.75
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Solution
The fourth proportional to 1,977,852.99, 2,729,490.80 and 1,118,541.75 is: 1,543,617.97
Step by Step Solution
- Step 1: Write the proportion equation
1,977,852.99 : 2,729,490.80 = 1,118,541.75 : x - Step 2: Convert to fraction form
1,977,852.99/2,729,490.80 = 1,118,541.75/x - Step 3: Cross multiply
1,977,852.99x = 2,729,490.80 × 1,118,541.75 - Step 4: Simplify right side
1,977,852.99x = 3,053,049,410,448.19 - Step 5: Solve for x
x = 3,053,049,410,448.19/1,977,852.99 - Step 6: Final answer
x = 1,543,617.97
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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.