Finding the Fourth Proportional to 1,743,386.64, 2,405,019.24 and 1,098,497.04
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Solution
The fourth proportional to 1,743,386.64, 2,405,019.24 and 1,098,497.04 is: 1,515,387.61
Step by Step Solution
- Step 1: Write the proportion equation
1,743,386.64 : 2,405,019.24 = 1,098,497.04 : x - Step 2: Convert to fraction form
1,743,386.64/2,405,019.24 = 1,098,497.04/x - Step 3: Cross multiply
1,743,386.64x = 2,405,019.24 × 1,098,497.04 - Step 4: Simplify right side
1,743,386.64x = 2,641,906,516,283.05 - Step 5: Solve for x
x = 2,641,906,516,283.05/1,743,386.64 - Step 6: Final answer
x = 1,515,387.61
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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.