Finding the Fourth Proportional to 1,918,542.16, 2,647,518.79 and 1,059,083.96
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Solution
The fourth proportional to 1,918,542.16, 2,647,518.79 and 1,059,083.96 is: 1,461,497.56
Step by Step Solution
- Step 1: Write the proportion equation
1,918,542.16 : 2,647,518.79 = 1,059,083.96 : x - Step 2: Convert to fraction form
1,918,542.16/2,647,518.79 = 1,059,083.96/x - Step 3: Cross multiply
1,918,542.16x = 2,647,518.79 × 1,059,083.96 - Step 4: Simplify right side
1,918,542.16x = 2,803,944,688,259.05 - Step 5: Solve for x
x = 2,803,944,688,259.05/1,918,542.16 - Step 6: Final answer
x = 1,461,497.56
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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.