Finding the Fourth Proportional to 1,781,956.74, 2,456,721.36 and 1,415,649.36
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Solution
The fourth proportional to 1,781,956.74, 2,456,721.36 and 1,415,649.36 is: 1,951,706.20
Step by Step Solution
- Step 1: Write the proportion equation
1,781,956.74 : 2,456,721.36 = 1,415,649.36 : x - Step 2: Convert to fraction form
1,781,956.74/2,456,721.36 = 1,415,649.36/x - Step 3: Cross multiply
1,781,956.74x = 2,456,721.36 × 1,415,649.36 - Step 4: Simplify right side
1,781,956.74x = 3,477,856,020,982.33 - Step 5: Solve for x
x = 3,477,856,020,982.33/1,781,956.74 - Step 6: Final answer
x = 1,951,706.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.