Finding the Fourth Proportional to 1,982,541.99, 2,735,907.95 and 1,123,102.25
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Solution
The fourth proportional to 1,982,541.99, 2,735,907.95 and 1,123,102.25 is: 1,549,881.11
Step by Step Solution
- Step 1: Write the proportion equation
1,982,541.99 : 2,735,907.95 = 1,123,102.25 : x - Step 2: Convert to fraction form
1,982,541.99/2,735,907.95 = 1,123,102.25/x - Step 3: Cross multiply
1,982,541.99x = 2,735,907.95 × 1,123,102.25 - Step 4: Simplify right side
1,982,541.99x = 3,072,704,374,437.89 - Step 5: Solve for x
x = 3,072,704,374,437.89/1,982,541.99 - Step 6: Final answer
x = 1,549,881.11
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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.