Finding the Fourth Proportional to 1,802,779.68, 2,487,836.70 and 987,036.24
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Solution
The fourth proportional to 1,802,779.68, 2,487,836.70 and 987,036.24 is: 1,362,110.42
Step by Step Solution
- Step 1: Write the proportion equation
1,802,779.68 : 2,487,836.70 = 987,036.24 : x - Step 2: Convert to fraction form
1,802,779.68/2,487,836.70 = 987,036.24/x - Step 3: Cross multiply
1,802,779.68x = 2,487,836.70 × 987,036.24 - Step 4: Simplify right side
1,802,779.68x = 2,455,584,982,102.01 - Step 5: Solve for x
x = 2,455,584,982,102.01/1,802,779.68 - Step 6: Final answer
x = 1,362,110.42
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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.