Finding the Fourth Proportional to 1,622,471.54, 2,238,920.18 and 887,280.74
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Solution
The fourth proportional to 1,622,471.54, 2,238,920.18 and 887,280.74 is: 1,224,397.90
Step by Step Solution
- Step 1: Write the proportion equation
1,622,471.54 : 2,238,920.18 = 887,280.74 : x - Step 2: Convert to fraction form
1,622,471.54/2,238,920.18 = 887,280.74/x - Step 3: Cross multiply
1,622,471.54x = 2,238,920.18 × 887,280.74 - Step 4: Simplify right side
1,622,471.54x = 1,986,550,754,111.33 - Step 5: Solve for x
x = 1,986,550,754,111.33/1,622,471.54 - Step 6: Final answer
x = 1,224,397.90
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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.