Finding the Fourth Proportional to 2,786,720.54, 3,845,366.87 and 1,562,774.19
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Solution
The fourth proportional to 2,786,720.54, 3,845,366.87 and 1,562,774.19 is: 2,156,455.95
Step by Step Solution
- Step 1: Write the proportion equation
2,786,720.54 : 3,845,366.87 = 1,562,774.19 : x - Step 2: Convert to fraction form
2,786,720.54/3,845,366.87 = 1,562,774.19/x - Step 3: Cross multiply
2,786,720.54x = 3,845,366.87 × 1,562,774.19 - Step 4: Simplify right side
2,786,720.54x = 6,009,440,087,703.22 - Step 5: Solve for x
x = 6,009,440,087,703.22/2,786,720.54 - Step 6: Final answer
x = 2,156,455.95
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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.