Finding the Fourth Proportional to 1,457,278.71, 2,185,943.58 and 558,771.63
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Solution
The fourth proportional to 1,457,278.71, 2,185,943.58 and 558,771.63 is: 838,167.23
Step by Step Solution
- Step 1: Write the proportion equation
1,457,278.71 : 2,185,943.58 = 558,771.63 : x - Step 2: Convert to fraction form
1,457,278.71/2,185,943.58 = 558,771.63/x - Step 3: Cross multiply
1,457,278.71x = 2,185,943.58 × 558,771.63 - Step 4: Simplify right side
1,457,278.71x = 1,221,443,257,284.64 - Step 5: Solve for x
x = 1,221,443,257,284.64/1,457,278.71 - Step 6: Final answer
x = 838,167.23
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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.