Finding the Fourth Proportional to 1,872,774.63, 2,584,420.70 and 1,013,350.05
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Solution
The fourth proportional to 1,872,774.63, 2,584,420.70 and 1,013,350.05 is: 1,398,418.58
Step by Step Solution
- Step 1: Write the proportion equation
1,872,774.63 : 2,584,420.70 = 1,013,350.05 : x - Step 2: Convert to fraction form
1,872,774.63/2,584,420.70 = 1,013,350.05/x - Step 3: Cross multiply
1,872,774.63x = 2,584,420.70 × 1,013,350.05 - Step 4: Simplify right side
1,872,774.63x = 2,618,922,840,499.28 - Step 5: Solve for x
x = 2,618,922,840,499.28/1,872,774.63 - Step 6: Final answer
x = 1,398,418.58
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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.