Finding the Fourth Proportional to 1,809,195.90, 2,726,798.06 and 1,559,490.18
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Solution
The fourth proportional to 1,809,195.90, 2,726,798.06 and 1,559,490.18 is: 2,350,444.63
Step by Step Solution
- Step 1: Write the proportion equation
1,809,195.90 : 2,726,798.06 = 1,559,490.18 : x - Step 2: Convert to fraction form
1,809,195.90/2,726,798.06 = 1,559,490.18/x - Step 3: Cross multiply
1,809,195.90x = 2,726,798.06 × 1,559,490.18 - Step 4: Simplify right side
1,809,195.90x = 4,252,414,789,615.60 - Step 5: Solve for x
x = 4,252,414,789,615.60/1,809,195.90 - Step 6: Final answer
x = 2,350,444.63
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.