Finding the Fourth Proportional to 1,654,068.20, 2,479,242.65 and 842,173.67
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Solution
The fourth proportional to 1,654,068.20, 2,479,242.65 and 842,173.67 is: 1,262,313.66
Step by Step Solution
- Step 1: Write the proportion equation
1,654,068.20 : 2,479,242.65 = 842,173.67 : x - Step 2: Convert to fraction form
1,654,068.20/2,479,242.65 = 842,173.67/x - Step 3: Cross multiply
1,654,068.20x = 2,479,242.65 × 842,173.67 - Step 4: Simplify right side
1,654,068.20x = 2,087,952,883,358.26 - Step 5: Solve for x
x = 2,087,952,883,358.26/1,654,068.20 - Step 6: Final answer
x = 1,262,313.66
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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.