Finding the Fourth Proportional to 1,623,693.75, 2,240,701.74 and 898,591.47
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Solution
The fourth proportional to 1,623,693.75, 2,240,701.74 and 898,591.47 is: 1,240,058.64
Step by Step Solution
- Step 1: Write the proportion equation
1,623,693.75 : 2,240,701.74 = 898,591.47 : x - Step 2: Convert to fraction form
1,623,693.75/2,240,701.74 = 898,591.47/x - Step 3: Cross multiply
1,623,693.75x = 2,240,701.74 × 898,591.47 - Step 4: Simplify right side
1,623,693.75x = 2,013,475,470,378.16 - Step 5: Solve for x
x = 2,013,475,470,378.16/1,623,693.75 - Step 6: Final answer
x = 1,240,058.64
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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.