Finding the Fourth Proportional to 2,766,305.95, 3,817,518.85 and 1,542,688.80
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Solution
The fourth proportional to 2,766,305.95, 3,817,518.85 and 1,542,688.80 is: 2,128,919.82
Step by Step Solution
- Step 1: Write the proportion equation
2,766,305.95 : 3,817,518.85 = 1,542,688.80 : x - Step 2: Convert to fraction form
2,766,305.95/3,817,518.85 = 1,542,688.80/x - Step 3: Cross multiply
2,766,305.95x = 3,817,518.85 × 1,542,688.80 - Step 4: Simplify right side
2,766,305.95x = 5,889,243,573,683.88 - Step 5: Solve for x
x = 5,889,243,573,683.88/2,766,305.95 - Step 6: Final answer
x = 2,128,919.82
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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.