Finding the Fourth Proportional to 2,639,417.13, 3,959,194.49 and 842,298.17
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Solution
The fourth proportional to 2,639,417.13, 3,959,194.49 and 842,298.17 is: 1,263,469.20
Step by Step Solution
- Step 1: Write the proportion equation
2,639,417.13 : 3,959,194.49 = 842,298.17 : x - Step 2: Convert to fraction form
2,639,417.13/3,959,194.49 = 842,298.17/x - Step 3: Cross multiply
2,639,417.13x = 3,959,194.49 × 842,298.17 - Step 4: Simplify right side
2,639,417.13x = 3,334,822,249,593.62 - Step 5: Solve for x
x = 3,334,822,249,593.62/2,639,417.13 - Step 6: Final answer
x = 1,263,469.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.