Finding the Fourth Proportional to 1,090,711.36, 1,501,843.44 and 1,087,562.08
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Solution
The fourth proportional to 1,090,711.36, 1,501,843.44 and 1,087,562.08 is: 1,497,507.07
Step by Step Solution
- Step 1: Write the proportion equation
1,090,711.36 : 1,501,843.44 = 1,087,562.08 : x - Step 2: Convert to fraction form
1,090,711.36/1,501,843.44 = 1,087,562.08/x - Step 3: Cross multiply
1,090,711.36x = 1,501,843.44 × 1,087,562.08 - Step 4: Simplify right side
1,090,711.36x = 1,633,347,975,440.76 - Step 5: Solve for x
x = 1,633,347,975,440.76/1,090,711.36 - Step 6: Final answer
x = 1,497,507.07
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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.