Finding the Fourth Proportional to 2,786,721.54, 3,845,368.24 and 1,562,775.19
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Solution
The fourth proportional to 2,786,721.54, 3,845,368.24 and 1,562,775.19 is: 2,156,457.33
Step by Step Solution
- Step 1: Write the proportion equation
2,786,721.54 : 3,845,368.24 = 1,562,775.19 : x - Step 2: Convert to fraction form
2,786,721.54/3,845,368.24 = 1,562,775.19/x - Step 3: Cross multiply
2,786,721.54x = 3,845,368.24 × 1,562,775.19 - Step 4: Simplify right side
2,786,721.54x = 6,009,446,081,885.97 - Step 5: Solve for x
x = 6,009,446,081,885.97/2,786,721.54 - Step 6: Final answer
x = 2,156,457.33
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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.