Finding the Fourth Proportional to 2,073,053.52, 2,860,688.00 and 1,142,720.53
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Solution
The fourth proportional to 2,073,053.52, 2,860,688.00 and 1,142,720.53 is: 1,576,884.95
Step by Step Solution
- Step 1: Write the proportion equation
2,073,053.52 : 2,860,688.00 = 1,142,720.53 : x - Step 2: Convert to fraction form
2,073,053.52/2,860,688.00 = 1,142,720.53/x - Step 3: Cross multiply
2,073,053.52x = 2,860,688.00 × 1,142,720.53 - Step 4: Simplify right side
2,073,053.52x = 3,268,966,903,229.72 - Step 5: Solve for x
x = 3,268,966,903,229.72/2,073,053.52 - Step 6: Final answer
x = 1,576,884.95
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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.